Xiaomi Smart Door Lock 4 Pro - Palm Vein & Facial Recognition Smart Lock with Cat-Eye Camera, Large Screen, Smart Linkage, Electronic Password Lock, Anti-Theft Door Lock

Lock Type: Fully Automatic Lock Lock Cylinder Grade: Grade C Lock Cylinder Supports Anti-Lift Hooks: No Lock Power Type: Lithium Battery Additional Features: Anti-Hacking Box, Ajar Alarm, Unclosed Door Reminder, Wrong Attempt Alarm, Away Mode, Loitering Capture, Silent Mode, Child Lock, Anti-Tamper Alarm, Fake Password, Anti-Prying Alarm, Anti-Hijack Alarm, Anti-Theft Mode, Battery Replacement Reminder, Real-Time Capture, Video Intercom Unlocking Methods: Palm Vein, Facial Recognition Opening Method: Push-Pull Door Supports Overlord Lock Body: No