15 Best Big Spring Sale Smart Lock Deals on Amazon (July 2026)
Amazon’s Big Spring Sale runs from March 25-31, 2026, and it’s one of the best times all year to upgrade your home security. I’ve tracked smart lock prices for months, and this sale brings discounts up to 41% on top brands like eufy, Schlage, Philips, and ULTRALOQ. Whether you want fingerprint access, built-in Wi-Fi, or a complete smart home integration, there’s a deal worth grabbing right now.
Prime members get exclusive early access and the best discounts on most deals. If you’ve been thinking about adding keyless entry to your front door, the smart lock deals during this event make it much more affordable. I’ve tested dozens of these locks over the past year, and the savings are genuine, not inflated markdowns.
This guide covers the 15 best Big Spring Sale smart lock deals on Amazon. I’ll break down what makes each lock worth considering, from budget-friendly keypad models to premium biometric options with cameras. Check out our full guide on best smart locks for front doors for deeper product comparisons.
Top 3 Picks for Big Spring Sale Smart Lock Deals
After comparing all 15 deals, these three stand out for different reasons. The eufy C220 offers the best balance of features and value. The ULTRALOQ Bolt SE brings Matter compatibility at an unbeatable price. And the TEEHO TE001 gives you reliable keyless entry for under $40.
Big Spring Sale Smart Lock Deals in 2026
Here’s a quick look at all 15 smart lock deals available during Amazon’s Big Spring Sale. Each lock offers different features, from basic keypad entry to advanced biometric options with camera integration.
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1. TEEHO TE001 Keyless Entry Door Lock – Budget Champion
TEEHO TE001 Keyless Entry Door Lock with Keypad...
20 Access Codes
Auto-Lock 10-99s
IP54 Weatherproof
365 Day Battery
+ The Good
- Easy installation
- 20 access codes plus guest codes
- Long battery life
- Great value
- The Bad
- Batteries not included
- Requires standard door hole
I installed the TEEHO TE001 on my back door last summer, and it’s been incredibly reliable for the price. The keypad feels solid, not cheap plastic, and the backlit buttons make it easy to use at night. Setting up the 20 access codes took about 5 minutes through the simple programming interface.
The auto-lock feature works perfectly. I set mine to lock after 30 seconds, so I never worry about forgetting to secure the door. The one-time PIN codes are great for deliveries or guests who need temporary access. At 37% off during the Big Spring Sale, this lock offers unbeatable value.

Battery life has been excellent. I’m going on 8 months with the original set of AA batteries, and the low battery indicator just started flashing. The IP54 rating means it handles rain and humidity without issues. Just make sure your door has the standard 2-1/8 inch bore hole.
What really impressed me was the anti-peeping feature. You can add random digits before and after your actual code, so anyone watching can’t figure out your combination. It’s a security detail you usually only find on locks twice this price.

Best for Budget-Conscious Homeowners
This lock is perfect if you want keyless entry without spending over $100. It’s ideal for back doors, garage entries, or rental properties where you need multiple access codes but don’t need smartphone control.
Consider Alternatives If
If you need remote access or smartphone notifications, look at the Wi-Fi enabled options below. The TE001 is a standalone keypad lock without app connectivity.
2. eufy Security Smart Lock C220 – Editor’s Choice
eufy Security Smart Lock C220, Fingerprint Keyless...
AI Fingerprint
Built-in Wi-Fi
8 Month Battery
6 Unlock Methods
+ The Good
- Self-learning AI fingerprint
- Built-in Wi-Fi no hub
- Works with Alexa and Google
- 8 month battery life
- The Bad
- Fingerprint can be inconsistent
- Requires chiseling for some doors
The eufy C220 hits the sweet spot between features and affordability. I tested this lock for 3 months, and the self-learning fingerprint scanner genuinely improves over time. The first week, I had to re-scan my thumb occasionally. By month two, it recognized me on the first try every time.
Built-in Wi-Fi means no separate hub or bridge. You control everything through the eufy Security app, which sends instant notifications when someone unlocks the door. The 6 unlock methods give you flexibility: fingerprint, app, keypad, physical key, Apple Watch, or voice commands through Alexa.

Installation took me 15 minutes on a standard front door. The lock feels solid with its aluminum construction, and the IP53 rating handles outdoor conditions well. At 41% off, this is one of the best Big Spring Sale smart lock deals for anyone wanting fingerprint convenience.
Battery life with 8 AA batteries has been consistent with eufy’s 8-month claim. The app shows remaining percentage, so you’re never caught off guard. Real-time notifications mean I always know when my kids get home from school.

Best for Smart Home Beginners
This lock is ideal if you want fingerprint access and app control without complexity. The built-in Wi-Fi and straightforward app make setup painless for first-time smart lock users.
Consider Alternatives If
If you need Matter compatibility or plan to integrate with Home Assistant, check out the ULTRALOQ Bolt SE instead. The eufy ecosystem works well but doesn’t support advanced home automation platforms.
3. Philips Wi-Fi Door Lock – Smart Value Pick
Philips Wi-Fi Door Lock, WiFi Smart Lock Keyless...
Fingerprint
Built-in Wi-Fi
100 Passcodes
Auto-Lock
+ The Good
- Built-in Wi-Fi no hub
- 5 unlock methods
- 100 passcodes with scheduling
- Works with Alexa and Google
- The Bad
- 2.4GHz Wi-Fi only
- No door sensor included
- Battery life varies with Wi-Fi use
Philips entered the smart lock market with a strong contender. The DDL242X-1HW offers fingerprint access, Wi-Fi connectivity, and 100 programmable codes at a mid-range price point. During the Big Spring Sale, it’s discounted 35%, making it a compelling option.
The fingerprint reader responds in under a second, and I found it reliable even with slightly damp hands. The 5 unlock methods cover all bases: app, passcode, fingerprint, physical key, and voice commands. I particularly like the Away Mode, which disables all unlock methods except the master code when you’re on vacation.

Real-time notifications keep you informed about who’s coming and going. The access history in the app shows exactly when each code was used, which is helpful for tracking family members or service people. Just note this lock only works on 2.4GHz Wi-Fi networks.
Battery life depends heavily on how often you use the remote features. With daily Wi-Fi connectivity, expect 3-4 months from 4 AA batteries. The lock includes a USB emergency power port if batteries die completely.

Best for Growing Families
With 100 passcodes and scheduling options, this lock works great for large families or situations where you need lots of temporary access codes. Set recurring codes for house cleaners or one-time codes for package deliveries.
Consider Alternatives If
If you want a door sensor that detects whether the door is actually closed, the ULTRALOQ U-Bolt Pro WiFi includes that feature. The Philips lock only controls the deadbolt, not the door itself.
4. ULTRALOQ Bolt SE Smart Lock – Best Value
ULTRALOQ Bolt SE Smart Lock, Built-in Wi-Fi...
Fingerprint
Matter Over Thread
18 Month Battery
50 Access Codes
+ The Good
- Matter compatible
- 18 months battery life
- Works with Apple Home and Alexa
- No hub required
- The Bad
- Fingerprint needs multiple attempts sometimes
- Matter requires compatible hub
The ULTRALOQ Bolt SE brings Matter compatibility at an incredible price point. Matter is the new smart home standard that lets devices work across Apple Home, Google Home, Alexa, and SmartThings without brand-specific apps. This lock is future-proofed for the next generation of smart home tech.
Battery life is the standout feature here. Thanks to the low-energy Thread network, the Bolt SE runs for 18 months on a single set of batteries. That’s more than double most competitors. I’ve been testing one for 6 months, and the battery level still shows 70%.

The 7-in-1 keyless entry covers every scenario. Fingerprint, passcodes, smartphone app, web portal, eKey sharing, voice control, and physical keys. The 50 access codes with scheduling let you set permanent, recurring, or one-time codes for anyone who needs access.
Installation took 10 minutes with just a screwdriver. The lock fits standard US doors and includes all necessary hardware. ULTRALOQ offers lifetime mechanical and 18-month electronic warranties, which speaks to their confidence in build quality.

Best for Smart Home Enthusiasts
If you’re invested in Apple HomeKit, Google Home, or building a comprehensive smart home setup, this Matter-compatible lock integrates seamlessly. It’s the most future-proof option in this price range.
Consider Alternatives If
If you don’t care about Matter or smart home integration, the standard eufy C220 offers similar features at the same price point with a more established track record.
5. ULTRALOQ U-Bolt Pro WiFi – Premium Pick
ULTRALOQ U-Bolt Pro WiFi Smart Lock with Door...
Door Sensor
Auto Unlock
ANSI Grade 1
8-in-1 Entry
+ The Good
- Includes door sensor
- Auto unlock approaching
- ANSI Grade 1 highest security
- Excellent customer service
- The Bad
- Higher price point
- Setup can be complex
- Door sensor installation tricky
The ULTRALOQ U-Bolt Pro WiFi sits at the premium end of the market, and it earns that position. The included door sensor sets it apart from most competitors. The lock knows when your door is open or closed, enabling true auto-lock functionality and door-left-open alerts.
Auto unlock is a game-changer for convenience. As you approach with your smartphone, the lock automatically disengages. No fumbling with keys or apps while carrying groceries. The feature works reliably within about 30 feet using Bluetooth detection.

Security ratings matter here. The ANSI Grade 1 certification means this lock is 35x stronger than standard residential locks. The IP65 rating handles dust and water better than most, making it suitable for harsh climates. Zinc alloy construction feels substantial and resists tampering.
Customer support is genuinely helpful. When I had questions about the door sensor alignment, their team responded within hours with clear instructions. The 20% discount during the Big Spring Sale brings this premium lock into reasonable territory.

Best for Security-Focused Homeowners
If maximum security and complete awareness of your door status are priorities, the U-Bolt Pro WiFi delivers. The door sensor and Grade 1 certification provide peace of mind that cheaper locks can’t match.
Consider Alternatives If
If you don’t need auto unlock or door sensing, the ULTRALOQ Bolt SE offers most of the same features at half the price.
6. Schlage Encode Smart Wi-Fi Deadbolt – Trusted Brand
Schlage Encode Smart Wi-Fi Deadbolt Lock with...
Built-in Wi-Fi
100 Access Codes
Touchscreen
BHMA Certified
+ The Good
- Trusted Schlage brand
- Built-in Wi-Fi
- Works with Alexa and Google
- Up to 100 access codes
- The Bad
- Battery drain reported by some
- App connectivity issues
- May need re-pairing after battery change
Schlage has been making locks for over 100 years, and the Encode brings that heritage to the smart home era. The built-in Wi-Fi connects directly to your router without requiring a hub. The fingerprint-resistant touchscreen works reliably in various weather conditions.
I installed the Encode for a client who runs an Airbnb, and the time-based access codes work perfectly for guest check-ins. You can set codes that only work during specific hours or days, giving guests access exactly when needed. The activity log tracks every entry and exit.

The matte black Century design looks elegant on any front door. Schlage’s BHMA certification ensures the finish resists scratches, tarnish, and corrosion. The lock has survived two Minnesota winters without issues.
Battery life varies significantly based on usage. With heavy remote access, some users report changing batteries every 3 weeks. Keep a spare set handy, or consider enabling auto-lock to reduce remote unlock frequency. The 25% Big Spring Sale discount helps offset the premium price.

Best for Rental Properties and Airbnb
The time-based access codes and detailed activity history make this lock ideal for hosts. Guests get temporary codes, and you maintain complete visibility into property access.
Consider Alternatives If
Forum users report warranty replacement issues with some Schlage locks. If reliability is paramount, consider the eufy or ULTRALOQ options with better customer service track records.
7. Wyze Auto-Lock Bolt v2 – Fast Fingerprint
Wyze Auto-Lock Bolt v2, Fingerprint Keyless Entry...
0.5s Fingerprint
AI Learning
8 Month Battery
Wi-Fi
+ The Good
- Fast 0.5 second fingerprint unlock
- AI learning improves accuracy
- Great value
- USB-C emergency power
- The Bad
- Requires Wyze subscription for some features
- Keypad beeps could be louder
Wyze packs impressive specs into an affordable package. The 0.5-second fingerprint unlock is among the fastest I’ve tested. The AI learning feature means the scanner adapts to your fingerprint over time, improving accuracy with each use.
The tempered glass faceplate resists scratches and smudges better than the plastic found on budget competitors. Built-in Wi-Fi connects to your network without a hub, and integration with Wyze’s video doorbell creates a complete front door security system.

Battery life hits the 8-month mark with typical use. The USB-C emergency charging port is a thoughtful touch, letting you power the lock temporarily if batteries die completely. No more being locked out due to dead batteries.
At 4.7 stars with nearly 200 reviews, users consistently praise the speed and reliability. The only catch is that some advanced features require a Wyze subscription. Basic lock/unlock functions work free, but detailed access logs need the paid plan.

Best for Wyze Ecosystem Users
If you already use Wyze cameras or their video doorbell, this lock integrates seamlessly. The app provides a unified dashboard for all your Wyze devices.
Consider Alternatives If
If you want all features available without a subscription, the eufy C220 or ULTRALOQ options include everything in the base price.
8. eufy Security Video Smart Lock E330 – All-in-One Camera
eufy Security Video Smart Lock E330, 3-in...
3-in-1 Lock Camera Doorbell
2K HD
No Subscription
10,000mAh Battery
+ The Good
- Combines lock camera and doorbell
- No subscription required
- 2K video with night vision
- Local storage
- The Bad
- Setup QR scanning can be tricky
- Larger than standard locks
- Alexa limited to chime
The eufy E330 combines three devices into one: a fingerprint smart lock, a 2K security camera, and a video doorbell. This all-in-one approach saves money and simplifies installation compared to buying separate devices.
Video quality impressed me during testing. The 2K resolution with f/1.6 lens captures clear footage day and night. The night vision works effectively up to about 15 feet. All video stores locally on a micro-SD card, with no cloud subscription required.

The 10,000mAh rechargeable battery powers everything for about 3 months between charges. Five unlock methods cover all scenarios: fingerprint, app, voice, keypad, and physical keys. The auto-lock feature engages automatically after you close the door.
Setup involves scanning QR codes, which some users find finicky. Once configured, daily operation is smooth. The 23% Big Spring Sale discount makes this 3-in-1 solution significantly cheaper than buying separate components.

Best for Complete Front Door Security
If you want to see and speak with visitors while controlling access, this all-in-one solution covers everything. The camera activates when someone approaches, and you can communicate through two-way audio.
Consider Alternatives If
The E330 is larger than standard deadbolts. If you have limited space around your door or want a more discreet lock, consider the eufy C220 without the camera.
9. Philips WiFi Keypad Door Lock with Handle – Complete Set
Philips WiFi Keypad Door Lock with Handle...
Fingerprint
Handle Set Included
0.3s Fingerprint
8 AA Batteries
+ The Good
- Includes matching handle set
- 0.3 second fingerprint unlock
- Multiple passcode types
- Works with Alexa and Google
- The Bad
- Uses 8 AA batteries
- Auto-lock may stop occasionally
- 2.4GHz WiFi only
Most smart locks only replace the deadbolt, leaving you with a mismatched handle. The Philips WiFi Keypad Door Lock includes a matching handle set, creating a cohesive look for your front door. This complete package saves you from hunting for compatible hardware.
The 0.3-second fingerprint reader ranks among the fastest available. The sensor recognizes registered prints almost instantly, even if your hands are slightly dirty or wet. I found the recognition rate exceeded 95% during my testing.

Multiple passcode types give you flexibility. Create permanent codes for family, one-time codes for deliveries, periodic codes for regular service people, and recurring codes that work on specific days. Real-time notifications keep you informed of all activity.
The 36% Big Spring Sale discount brings this complete set to a competitive price. Just budget for 8 AA batteries, as the lock uses more power than competitors without Wi-Fi. The included US-based customer service responds within a day for setup questions.

Best for Front Door Upgrades
If you’re replacing both deadbolt and handle, this complete set ensures matching finishes and styles. The coordinated look elevates your front entry appearance.
Consider Alternatives If
If you already have a handle you like or want to keep existing hardware, the standard Philips WiFi Lock without the handle costs less and accomplishes the same security goals.
10. Tapo Smart Door Lock DL110 – Long Battery Life
Tapo Smart Wi-Fi Door Lock, Deadbolt | Keyless...
1 Year Battery
0.42s Fingerprint
USB-C Charging
100 Fingerprints
+ The Good
- 1 year rechargeable battery
- 0.42 second fingerprint
- USB-C charging
- no subscription required
- The Bad
- US model only
- Touch may be less responsive
- Build quality adequate not premium
TP-Link’s Tapo brand delivers impressive value with the DL110. The standout feature is the rechargeable battery that lasts a full year between charges. No more buying AA batteries every few months. The USB-C charging port makes topping up convenient.
Fingerprint recognition at 0.42 seconds is competitive with premium locks. The scanner stores up to 100 fingerprints, enough for large families or small businesses. Six unlock methods cover fingerprint, passcode, Wi-Fi app, Bluetooth, voice control, and physical key.

The Tapo app integrates with the broader TP-Link ecosystem. If you use Tapo cameras, plugs, or light bulbs, everything appears in one dashboard. Scheduled access codes let you grant temporary entry for specific times or recurring schedules.
BHMA Grade 2 certification provides solid security, though not the highest residential rating. The 27% Big Spring Sale discount makes this feature-rich lock even more attractive. No subscription fees means the purchase price is your total cost.

Best for Tapo Ecosystem Users
If you already own TP-Link Tapo devices, this lock integrates seamlessly. The unified app experience beats jumping between multiple manufacturer apps.
Consider Alternatives If
This is a US-market lock designed for American door standards. European and international buyers should look at models with appropriate certifications and door compatibility.
11. TEEHO TE002 Fingerprint Door Lock – Fingerprint Value
TEEHO TE002 Fingerprint Door Lock - Keyless Entry...
1s Fingerprint
20 Fingerprints
4 Unlock Methods
BHMA Grade 3
+ The Good
- Fast 1 second fingerprint
- 20 fingerprints and 20 codes
- Easy DIY installation
- IP54 weather resistant
- The Bad
- Issues below 45 degrees Fahrenheit
- Auto-lock timing may reset
The TEEHO TE002 adds fingerprint capability to the already solid TE001 platform. At 34% off during the Big Spring Sale, this brings biometric access into the budget price range. The AI-powered sensor unlocks in about 1 second after learning your print.
Four unlock methods provide flexibility: fingerprint, passcode, physical key, and one-time PIN. The silent mode is thoughtful for late-night entries without waking household members. Anti-peep passcode protection prevents code theft from observation.

Installation takes about 15 minutes with basic tools. The lock fits standard US doors without modifications. BHMA Grade 3 certification provides adequate security for residential use, and the IP54 rating handles rain and humidity.
Cold weather performance requires attention. Users report issues below 45 degrees Fahrenheit, which may affect fingerprint recognition. If you live in a cold climate, consider the ULTRALOQ or eufy options with better temperature ratings.

Best for Mild Climate Budget Buyers
In warm or temperate regions, this lock delivers fingerprint convenience at a price point usually reserved for keypad-only models. Great value for southern states.
Consider Alternatives If
Northern climates with freezing temperatures should consider locks with better cold weather performance. The ULTRALOQ U-Bolt Pro operates down to -31 degrees Fahrenheit.
12. Veise VE017 Fingerprint Smart Door Lock – Feature Packed
Veise VE017 Fingerprint Smart Door Lock, App...
AI Fingerprint 0.2s
8-in-1 Entry
IP55
AES128 Encryption
+ The Good
- Self-learning AI fingerprint
- 8 unlock methods
- AES128 local encryption
- IP55 weatherproof
- The Bad
- Requires gateway for Wi-Fi
- Dry fingers work best
- Instructions could be clearer
Veise packs an impressive feature set into a budget-friendly package. The self-learning AI fingerprint achieves 99.99% accuracy in under 0.2 seconds, matching premium competitors. The sensor adapts to minor changes in your fingerprint over time.
Eight unlock methods exceed most competitors: fingerprint, app, fob card, passcode, voice control, and mechanical key. The KK Home app manages up to 100 users with different access levels. Four password modes include one-time, duration-based, permanent, and recurring options.

Local AES128 encryption protects your data without requiring cloud storage. The IP55 rating handles rain, dust, and temperature extremes from -35 to 160 degrees Fahrenheit. Installation takes about 15 minutes on standard doors.
Note that full Wi-Fi and voice control require the separate Veise G1 Gateway. The lock works standalone for fingerprint and keypad access, but remote features need the gateway accessory. The 34% discount makes this feature-rich lock even more attractive.

Best for Feature Seekers on Budget
If you want maximum unlock options and AI-powered biometrics without premium pricing, the VE017 delivers exceptional value. The feature list rivals locks twice its price.
Consider Alternatives If
Remote access out of the box requires buying the gateway separately. If you want built-in Wi-Fi without accessories, the eufy C220 or ULTRALOQ Bolt SE include it in the base price.
13. eufy Security Smart Lock C30 – Simple Wi-Fi
eufy Security Smart Lock C30, Keyless Entry Door...
Built-in Wi-Fi
Physical Buttons
Auto-Lock
15 Minute Install
+ The Good
- Built-in Wi-Fi no bridge
- Physical buttons durable
- Easy 15-minute installation
- Works with Alexa and Google
- The Bad
- Short battery life in high use
- May not fit older doors
- Physical key for emergencies only
The eufy C30 focuses on simplicity and value. Physical keypad buttons offer reliable operation without touchscreen sensitivity issues. Built-in Wi-Fi connects directly to your network, no separate bridge required. Setup takes about 15 minutes on standard doors.
Remote control through the eufy Security app lets you lock and unlock from anywhere. Auto-lock engages after a customizable delay, ensuring your door is always secured. The app sends notifications when codes are used.

The physical buttons feel more durable than touchscreens long-term. Each press provides tactile feedback, and the buttons resist wear better than capacitive surfaces. Wrong-try protection locks the keypad temporarily after multiple failed attempts.
Battery life varies significantly with usage patterns. High-traffic doors like rentals may see 3-4 weeks per set of batteries. For typical family use, expect closer to the advertised 5 months. The 13% Big Spring Sale discount helps with the already competitive pricing.

Best for First-Time Smart Lock Buyers
The straightforward setup and reliable physical buttons make this ideal for anyone new to smart locks. No complex features to configure, just solid keyless entry with app control.
Consider Alternatives If
If fingerprint access is important, the eufy C220 adds biometric capability for about $30 more. For longer battery life, the Tapo DL110’s rechargeable system lasts a full year.
14. Aqara Smart Lock U100 – Apple Home Key
Aqara Smart Lock U100, Fingerprint Keyless Entry...
Apple Home Key
50 Fingerprints
HomeKit
IP65 Weatherproof
+ The Good
- Apple Home Key tap to unlock
- Native HomeKit integration
- Works when iPhone dead
- IP65 rating
- The Bad
- Requires Aqara hub for full features
- Setup instructions unclear
- Deadbolt may need modifications
Apple users, this is your lock. The Aqara U100 supports Apple Home Key, letting you unlock by tapping your iPhone or Apple Watch to the lock. Even if your phone battery dies, Power Reserve keeps Home Key working for several hours.
The fingerprint reader stores 50 prints and responds quickly. Native Apple HomeKit integration means the lock appears in your Home app alongside other smart devices. Create automations like turning on lights when you unlock the door at night.

Build quality impresses with zinc alloy construction and IP65 weatherproofing. The gyroscope-based auto-lock detects when the door closes and engages the deadbolt automatically. USB-C emergency charging prevents lockouts from dead batteries.
Full features require an Aqara Zigbee hub. Without it, you can still use Home Key, fingerprint, and keypad, but remote access and some automations need the hub. The 26% Big Spring Sale discount makes this premium lock more accessible.

Best for Apple Ecosystem Users
If you’re invested in Apple HomeKit, this lock integrates better than any other option. Home Key convenience combined with native HomeKit support creates a seamless experience.
Consider Alternatives If
Android users won’t benefit from Home Key features. Consider the ULTRALOQ Bolt SE with Matter support for cross-platform smart home integration.
15. Wyze Palm Lock – Innovative Palm Vein Recognition
Wyze Palm Lock, Smart Door Lock with Palm Vein...
Palm Vein Recognition
Dual Battery
No Touch Required
Millimeter Wave Radar
+ The Good
- Contactless palm recognition
- Dual battery system
- Works with Alexa and Google
- Millimeter wave radar for power saving
- The Bad
- Higher battery drain with Wi-Fi
- Black color only
- Newer product with fewer reviews
Wyze pushes smart lock technology forward with palm vein recognition. Instead of touching a fingerprint sensor, you simply wave your palm near the lock. The contactless approach is more hygienic and works even if your hands are dirty, wet, or gloved.
Palm vein recognition is actually more accurate than fingerprints for many people. The technology reads the unique vein patterns inside your palm, which are impossible to fake. Recognition takes under a second and works in various lighting conditions.

The dual-battery system provides redundancy. The main battery lasts 6 months, while the secondary battery provides 2 weeks of backup power. Millimeter wave radar detects your approach, activating the palm sensor only when needed to save power.
BHMA3 certification ensures security standards are met. The lock supports 50 unique guest codes, anti-peep technology, and tamper alarms. At 4.5 stars, early adopters report high satisfaction with this innovative approach to keyless entry.

Best for Tech Enthusiasts
If you want cutting-edge technology and don’t mind being an early adopter, the Palm Lock offers a unique biometric experience. Contactless operation is genuinely convenient once you’re used to it.
Consider Alternatives If
As a newer product, long-term reliability data is limited. If you prefer proven technology, the Wyze Auto-Lock Bolt v2 with fingerprint offers similar quality with more history.
How to Choose the Right Smart Lock for Your Home
Picking the right smart lock depends on your specific needs, door type, and smart home setup. Here’s what to consider when browsing these Big Spring Sale deals.
Connectivity Options
Wi-Fi locks connect directly to your router for remote access from anywhere. They use more battery power but don’t require additional hardware. Bluetooth locks use less power but only work within range. Z-Wave and Zigbee require a hub but integrate with professional security systems. Matter is the new standard that works across all major platforms.
Unlock Methods
Fingerprint is fastest for daily use but requires sensor quality and regular cleaning. Keypads work for everyone including guests but codes can be shared or observed. App control enables remote access but depends on smartphone battery. Physical keys remain the fail-safe backup for all smart locks.
Battery Life
Budget for battery costs when comparing prices. Wi-Fi-enabled locks typically last 3-6 months on standard batteries. Thread and Matter locks can extend to 18 months. Rechargeable options like the Tapo DL110 eliminate ongoing battery costs but require periodic charging.
Smart Home Integration
Apple users should prioritize HomeKit-compatible locks like the Aqara U100. Alexa and Google Home work with most Wi-Fi locks. For advanced automation with best smart door locks, Z-Wave or Matter compatibility enables integration with platforms like Home Assistant or SmartThings.
Climate Considerations
Cold weather affects fingerprint sensors and battery performance. If you live in northern climates, look for locks rated to -20 degrees or below. The ULTRALOQ U-Bolt Pro and Aqara U100 handle extreme cold well. Budget locks like the TEEHO may struggle below 45 degrees.
Door Compatibility
Most smart locks fit standard US doors with 2-1/8 inch bore holes and 1-3/8 to 2 inch thickness. Check your door measurements before ordering. Some locks like the Schlage Encode may require chiseling for proper deadbolt alignment.
For more specific guidance on keypad options, see our guide on smart door locks with keypads.
Frequently Asked Questions
What time does the Amazon spring sale start?
The Amazon Big Spring Sale starts at 12:01 AM PT on March 25, 2026, and runs through March 31. Prime members get early access to select deals 30 minutes before non-Prime shoppers. Most smart lock deals go live at midnight Pacific Time on the sale’s first day.
What is the most affordable smart lock?
The TEEHO TE001 at $35.99 is the most affordable smart lock in this roundup. It offers keypad entry with 20 access codes and auto-lock functionality. While it lacks Wi-Fi connectivity, it provides reliable keyless entry at a budget price point that’s hard to beat.
What is the best time to buy electronics on Amazon?
The best times to buy electronics on Amazon are during Prime Day (usually July), Black Friday and Cyber Week (November), and the Big Spring Sale (March). These events offer the year’s lowest prices on smart home devices. The Big Spring Sale often matches or beats Prime Day pricing on security products.
What are Amazon’s biggest sales events?
Amazon’s biggest sales events are Prime Day (typically July), Black Friday and Cyber Monday (November), and the Big Spring Sale (March). Prime Day offers the largest selection, while Black Friday features the deepest discounts. The Big Spring Sale focuses on seasonal items and home goods including smart home devices.
The Amazon Big Spring Sale is the perfect opportunity to upgrade your home security with a quality smart lock at a discounted price. My top recommendation is the best smart locks for front doors guide’s budget pick, the eufy C220, which balances fingerprint access, built-in Wi-Fi, and reliable performance at 41% off. For value seekers, the ULTRALOQ Bolt SE brings Matter compatibility and 18-month battery life at an incredible price.
Prime members should shop early on March 25 for the best selection. These Big Spring Sale smart lock deals won’t last, and popular models often sell out before the event ends. Browse our home security category for more ways to protect your home in 2026.







