DESLOC - K120 Smart Lock with Up to 16 Months Battery Life, Built-in WiFi, 3D Fingerprint Keyless Entry Door Lock - Black
About this product
DESLOC K120 is built for smarter, longer-lasting security. Powered by a 15,000mAh rechargeable battery, it delivers up to 16 months of use on a single charge, with low-battery alerts, ultra-save mode, and a built-in Type-C emergency charging cable for added peace of mind. GPT-powered 3D fingerprint recognition unlocks quickly and accurately, even for dry, wet, or shallow fingerprints, while built-in Wi-Fi lets you lock, unlock, monitor activity, and share access remotely—no hub required. With Landlord Mode for rentals and Airbnb, IP65 weather protection, BHMA Grade 3 security, and easy 10-minute installation, K120 is designed for reliable everyday access and long-term convenience.
Color
BlackHighlights
16-Month Battery Life with Type-C Emergency Charging Cable
Powered by a 15,000mAh rechargeable battery for up to 16 months of use on a single charge. When power drops below 5%, Low-Battery Ultra Save Mode activates automatically, extending standby time up to 12 months to help prevent lockouts. Real-time battery monitoring and low-battery alerts keep power predictable, while built-in Type-C emergency charging ensures access when needed. Battery support: support@desloc.com
GPT Fingerprint Unlock with 3D Precision
Powered by GPTFingerprint Smart Algorithm, accurately recognizing dry fingers,wet fingers, shallow prints, and elderly fingerprints. Uses 3DPrecision Recognition with an extremely low false recognition rateof <1/1,000,000. Fingerprint data is stored locally on the device,helping protect user privacy while the adaptive algorithmimproves accuracy over time.
Built-in Wi-Fi & Landlord Mode
Features built-in Wi-Fi with nohub required, enabling remote lock/unlock, real-timenotifications, and access history through the app. Landlord Modesupports efficiel I oup management, flexible access sharing,and temporary access scheduling-ideal for rental properties,Airbnb, and multi-user households.
Built for Stability, IP65 & BHMA Grade 3
Easy Installation & Reliable Support
Designed for quick and simple setup, installs inabout 10 minutes with all necessary accessories included. Features automatic doordirection detection for left or right opening doors-no manual configuration required.Backed by reliable after-sales support, ensuring a smooth installation and long-termpeace of mind.
- Color FinishBlackLock TypeDeadboltLock/Unlock MechanismApp, Fingerprint, Touchscreen, Voice assistantPower SourceBattery-poweredInstallation TypeReplacement
Reviews
Rating 5 out of 5 stars with 2 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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DESLOC K120 is built for smarter, longer-lasting security. Powered by a 15,000mAh rechargeable battery, it delivers up to 16 months of use on a single charge, with low-battery alerts, ultra-save mode, and a built-in Type-C emergency charging cable for added peace of mind. GPT-powered 3D fingerprint recognition unlocks quickly and accurately, even for dry, wet, or shallow fingerprints, while built-in Wi-Fi lets you lock, unlock, monitor activity, and share access remotely—no hub required. With Landlord Mode for rentals and Airbnb, IP65 weather protection, BHMA Grade 3 security, and easy 10-minute installation, K120 is designed for reliable everyday access and long-term convenience.

DESLOC K140 Plus is a premium keyless smart deadbolt designed for secure and convenient front door access. Palm vein recognition allows fast, touch-free unlocking using a biometric pattern that is difficult to copy, while local biometric storage helps keep personal access data under user control. Built-in Wi-Fi lets users manage the lock remotely without a separate hub, including app control, voice control, remote access requests, user management and activity visibility. The K140 Plus supports multiple ways to unlock, including palm vein recognition, PIN code, mobile app and mechanical key backup. The included door sensor enables real-time door status and auto-lock when the door is closed, helping reduce the chance of leaving the door unsecured. A 10,000mAh rechargeable lithium battery provides up to 9 months of use, with low-battery alerts and a Type-C emergency power port for backup power when needed. The Black finish offers a clean, modern look for residential entry doors.

Experience ultra-fast, convenient keyless door unlocking and seamless smart home integration to your new and existing automation devices with eufy Smart Lock E31. Stop fumbling for keys when your hands are full and unlock your front or back door in less than 0.3 seconds using just your fingerprint. The lock’s intelligence improves fingerprint recognition with each use, ensuring quick access for your family. Enjoy multiple door unlocking options: eufy App, built-in keypad, included physical key, or voice commands via Siri, Alexa or Google Assistant. Seamlessly link eufy’s Matter-supported smart lock to your current smart home ecosystem using your existing home automation hub. It features compatibility with all major smart home ecosystems, including Apple Home, Google Home, Alexa, and SmartThings for easy, hands-free management of your Smart Lock and more. It pairs with Apple HomePod or other smart devices to experience simple setup, guest access management, real-time notifications, event logs, and remote unlocking.

The Desloc D110 PLUS is designed for modern families and property managers who need real-time control, stronger security, and simple management. With built-in WiFi, you can lock or unlock anytime, get alerts when the door stays unlocked, and view activity logs — all from the Desloc app, no hub required. Share access codes with family, friends, or tenants, and control how and when they can enter. Need to unlock remotely? One tap is all it takes. The built-in screen offers on-door visibility and control — check status, enter codes, and manage users without your phone. Installation takes minutes with no wiring required. Whether it's your home or multiple rental units, the D110 PLUS makes access secure, easy, and reliable — wherever you are.
| Pros for DESLOC - K120 Smart Lock with Up to 16 Months Battery Life, Built-in WiFi, 3D Fingerprint Keyless Entry Door Lock - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Installation Ease, Overall Performance, Fingerprint Recognition, Battery Life, Connectivity | There were no pros for this product— |
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