DESLOC - K140 Plus Smart Lock with 10,000mAh Battery Wi-Fi Replacement Deadbolt with Palm Vein Recognition and Auto Lock - Silver
Customers are saying
Customers are impressed with the ease of setup and the reliable biometric palm reader, which users find both straightforward and effective. Many appreciate the sleek build quality and the convenience of the long-lasting battery life. Additionally, the product's auto-lock feature and user-friendly app interface contribute to a positive overall experience.
Color
SilverHighlights
Features
Palm Vein Recognition
Unlock with advanced palm vein recognition for fast, touch-free access. Each vein pattern is unique and stored locally to help protect biometric privacy.
Easy DIY Installation
Designed for standard U.S. and Canada doors with automatic left/right door swing recognition for a simpler setup process.
Long-Lasting Rechargeable Battery
Powered by a 10,000mAh rechargeable lithium battery, K140 Plus delivers up to 9 months of use and provides low-battery alerts before power runs low.
Multiple Ways to Unlock
Open the door with palm vein recognition, PIN code, mobile app, voice control or the included mechanical keys for reliable backup access.
Enhanced Access Protection
Anti-peeping passcode protection and emergency alert options help improve daily security for families, guests and special care users.
Built-In Wi-Fi Control
Manage your lock remotely with built-in Wi-Fi, no extra bridge required. Use the app for access management, remote control and activity visibility.
Smart Door Sensor
The included door sensor helps confirm door status and supports auto-lock when the door is closed, reducing the chance of leaving the door unsecured.
Specifications
- Color FinishSilverLock TypeDeadboltLock/Unlock MechanismPalm vein, Keypad, App, KeyPower SourceBattery-poweredInstallation TypeReplacement
Reviews
Rating 4.8 out of 5 stars with 36 reviews
- Ease of Setup (28)
- Biometric Authentication (27)
- Battery Life (14)
- Build Quality (9)
- Auto Lock Performance (6)
Customer Images
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 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 Silver finish offers a clean, modern look for residential entry doors.

Meet the DESLOC B200, a desloc smart lock designed as a smart keyless entry door lock for busy households. With smart lock fingerprint unlock in just 0.3 seconds, you can get in with a tap of your finger, a PIN, key fob, or the app, keeping daily entry smooth and reliable for the whole family. Designed as a smart door lock with modern levers, the B200 features a reversible lever that fits left- or right-hand doors and works as an interior smart door lock for bedroom, home office, or interior garage doors. This smart lock with levers installs in about 15 minutes with just a screwdriver, no wiring needed, giving your front door smart lock a clean, modern look while keeping operation simple and intuitive. As a ttlock smart lock, the B200 connects to the TTLock app so you can lock or unlock via Bluetooth, send PINs, and view basic logs on your phone — ideal as an airbnb door lock smart or renter friendly smart lock you can manage without changing physical keys. Pair it with a G2 gateway (sold separately and not included with this smart lock) for smart door lock control from anywhere so you never have to wonder “Did I lock the door?” again. Auto-lock, anti-peep PIN, anti-pry construction, reinforced lock core, IP54 weather rating, and up to 12 months of battery life on 4 AA batteries help keep access convenient, stable, and secure in daily use.

DESLOC V150 Plus is a self-charging solar smart lock built for secure, low-maintenance front door access. Designed around solar-powered convenience, it helps reduce battery anxiety while keeping a 10,000mAh backup lithium battery and Type-C emergency power port available for extra peace of mind. V150 Plus combines 3D face recognition with liveness detection, a curved surface fingerprint sensor and smart app control for flexible keyless entry. The lock is designed to recognize users quickly and securely, while offering multiple access options for family members, guests and daily routines. A magnetic smart door sensor provides real-time door status, instant alerts and auto-lock on close, helping users confirm whether the door is properly secured. Built with IP65 weather resistance and BHMA Grade 3 durability, V150 Plus is made for everyday residential use across changing weather conditions. Its modern black finish and advanced biometric access make it a strong hero product for consumers looking for a smart lock that combines security, convenience and long battery life.

This 4-in-1 biometric door knob offers keyless entry via fingerprint (0.2s recognition, 99.9% accuracy), customizable passcodes, remote app control within Bluetooth range, and emergency mechanical keys, with 100% local fingerprint data storage for enhanced privacy. It features a removable 500mAh rechargeable battery with Type-C fast charging, providing up to 180 days of use and low-battery alerts via the app. The smart lock includes three operating modes (privacy, silent, pass), auto-lock within 5 seconds, and allows you to manage up to 100 fingerprints and codes, share temporary access, and view entry logs. Easy to install on most US doors with just a screwdriver in 10-30 minutes, it is backed by a 1-year warranty and 24/7 customer support for reliable smart home security.
| Pros for DESLOC - K140 Plus Smart Lock with 10,000mAh Battery Wi-Fi Replacement Deadbolt with Palm Vein Recognition and Auto Lock - Silver | |||
|---|---|---|---|
| Ease of Setup, Biometric Authentication, Battery Life, Build Quality, Auto Lock Performance | Installation Ease, Overall Performance | Ease of Setup, Biometric Authentication, Battery Life, Build Quality | There were no pros for this product— |




















































































