HEI LIANG Fingerprint Door Lock?Smart Door Knob, Smart Lock Biometric Door Lock Fingerprint Door knob with App Control Suitable for Bedroom,Utility Room,Apartments Offices,Hotels(Black)

Features

• 【3-in-1 Smart Access】Our Smart Door Knob provides fingerprint recognition (0.5s fast unlock), encrypted app control via WiFi/Bluetooth, and a hidden mechanical keyhole - triple security layers adapt to your lifestyle while maintaining 24/7 home protection.
• 【Stylish and Durable Construction】This smart door handle features a 500-pound impact-resistant stainless steel and aluminum alloy frame to resist violent attacks. The tamper-proof design combines a classic round door handle shape with a modern LED indicator and successful unlock confirmation.
• 【Biometric Security System】The door lock has biometric capabilities and supports App control, which allows for easy fingerprint management. You can view unlock records, automatic locks, traffic patterns, and security locks through the App, which can prevent unwanted people from entering your room and control your home security. 20 fingerprints can be stored. It can prevent accidental activation by children/pets.
• 【Smart Life and Management】Designed with advanced biometric technology, this smart door handle automatically locks within 5 seconds and syncs real-time access logs to your smartphone. Remotely create/delete fingerprints, set temporary access codes for guests, and receive intrusion alerts through the companion app. (Wi-Fi settings require purchasing a gateway for networking). Suitable for Airbnb hosts and property managers, create time codes that expire automatically (12 hours/3 days/1 week options). Monitor real-time access through the app's encrypted activity log - perfect for verifying cleaner schedules or tenant compliance.
• 【Convenient Charging & Easy Installation】Designed for 1.18"-2.17" thick US standard doors (wood/steel/fireproof). No wiring required - just replace the existing door handle with the included template and tools. Refer to the instructions for installation and follow the "UP" sign. The fingerprint door lock has a built-in 400mAh rechargeable battery, which takes 3 to 4 hours to fully charge (USBA-TypeC cable required). Automatic low battery warning activates at 15% capacity. Features visual battery display and low battery alarm.