Feature: 1. Multiple Unlock: Keyless access to smart biometric lock, four ways to unlock: fingerprint, password, for TUYA Smart APP, temporary password. 2. Password protection: If you enter an incorrect password five times, the smart lock will automatically lock for five minutes. 3. Real-time monitoring: User uses fingerprint and APP or password to unlock the lock, and administrator can check the record in the unlock record on the APP. 4. Widely used: Applicable for left and right doors, an ideal alternative for door lock, such as apartment, home, office, etc. 5. Simple Installation: Installation is simple, no cords or professionals needed, convenient to use, save your time and energy. Specifications: Item Type: Fingerprint Door Lock Material: Zine Alloy Model: WF-016 Battery: 3.7V 14500 800mah lithium battery (built-in rechargeable battery) Unlock Mode: Password, Fingerprint, for Tuya Smart APP (Bluetooth), temporary password Fingerprint capacity: 20 APP: for Tuya Smart Emergency power supply: USB charging Recognition speed: 0.5s Fingerprint sensor: semiconductor Lifespan: > 200,000 times Suitable door thickness: approx. 35-55mm or 1.38-2.17in Package List: 1 x Interior Door Handle 1 x Exterior Door Handle 1 x Lock Body 1 x Lock Box 1 x Lock Latch 1 x Metal Strip 8 x Screws 2 x Tube nut 1 x spring 1 x QR Code sticker< br or >