DESLOC - K140 Plus Smart Lock Wi-Fi Replacement Deadbolt with Palm Vein Recognition and Auto Lock - Silver
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About this product
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.
Color
SilverHighlights
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.
- Color FinishSilverLock TypeDeadboltLock/Unlock MechanismPalm vein, Keypad, App, KeyPower SourceBattery-poweredInstallation TypeReplacement
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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.

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Take front door protection to the next level with eufy's FamiLock S3 Max, allowing you to effortlessly and securely unlock your door with just a wave of the hand. The 3-in-1 smart lock features a 2K HD camera, video doorbell, and smart lock developed to meet your family's evolving access needs. With accurate, forgery-proof palm vein technology, FamiLock S3 Max recognizes the unique vein pattern on your hand's palm in just 0.1 seconds with up to 99.99999% accuracy. Ideal for the whole household, including kids and older relatives, each person's palm vein data is stored locally on-device, making it only accessible to you. The integrated color video screen on the inner lock provides a seamless, app-free alternative for monitoring who or what is at the front door. Providing peace of mind when older parents or kids arrive home, eufy FamiLock S3 Max keeps you connected and reassured. Gain sharp, clear views from the built-in 2K HD camera and f/1.6 lens that provides detailed footage even in twilight or sunset hours. Goodbye blind spots with the camera's 150° head-to-toe, wide-angle coverage. Innovative PowerDuo technology offers powerful charging options and superior flexibility. Enjoy up to 6 months of power with the 15,000mAH rechargeable battery; and an emergency set of four AAA batteries provide an extra month of charge in case of emergency power outages. Enjoy a robust, customized smart home ecosystem by adding HomeBase 3 for advanced AI features and enhanced security. The eufy app provides remote control and access from anywhere and sends real-time alerts when packages are delivered, or guests stop by. Matter compatibility provides easy, secure connection with Apple Home, Google Home, Alexa, and SmartThings.

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.
| Pros for DESLOC - K140 Plus Smart Lock Wi-Fi Replacement Deadbolt with Palm Vein Recognition and Auto Lock - Silver | |||
|---|---|---|---|
| There were no pros for this product— | Overall Performance, Ease of use, Installation, App, Keypad | Installation Ease, Battery Life, Overall Performance, Video Quality, Palm Scanner Performance | Installation Ease, Overall Performance, Battery Life, Fingerprint Recognition, Connectivity |
| Cons for DESLOC - K140 Plus Smart Lock Wi-Fi Replacement Deadbolt with Palm Vein Recognition and Auto Lock - Silver | |||
| There were no cons for this product— | Battery Life, Auto Lock, Calibration | There were no cons for this product— | There were no cons for this product— |
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