1、A revolutionary smart door lock, can be unlocked by biometric fingerprint recognition and touch password keyboard hidden on the handle. 2、Supports four unlocking methods, like fingerprint, password, Bluetooth APP, and temporary password. 3、Virtual passwords design can prevent peeping and revealing passwords. If your correct door opening password is 123456, you can enter 1111 + 123456 to open the door. 4、This lock is powered by 4 AAA batteries for easy replacement. Also supports emergency unlocking with USB interface (USB charging port is on the external control lever). 5、Made of weatherproof zinc alloy material, no worry about the influence of bad weather. 6、Password hidden handle can set temporary dynamic password. You can set one or a group of dynamic passwords when unlock remotely, password invalid after unlocking. 7、Has real-time monitoring function. The user unlocks by the fingerprint and APP or password, and the administrator can find the record in the unlock record on the APP. 8、With the function of low voltage alarm. when the battery power is low, the smart lock will emit a low battery alarm. 9、Simple DIY installation, no wiring or drilling needed. Can be installed on your door in about 5 minutes by a screwdriver. 10、Can replace the standard single-cylinder American-style door lock, suitable for opening left and right doors. The door thickness is about 35-55mm/4-2in. 1 x Front Handle of Fingerprint Lock 1 x Rear Handle of Fingerprint Lock 2 x Mounting Panel1 x Manual 1 x Installation Kit (Including Screwdriver)1 x Lock Tongue 1 x Lock Box 1 x Lock Catch Condition: 100% Brand NewItem Type: Door LockMaterial: Zinc AlloyColor: BlackUnlocking Method: Fingerprint, Password, Bluetooth APP, Temporary PasswordPower Supply: 4 x AAA batteries (not included) or USB Emergency Power SupplyHandle Length: Approx.13cm / 5.1inLow Battery Alarm: 5VWorking Current: ≤250MAStandby Current: ≤75UAFingerprint Capacity: 100pcsPassword Capacity: 150 GroupsFingerprint Pixels: 160 x 160Rejection Rate: <1%False Recognition Rate: < 0.001%Opening Direction: Left / RightDoor Thickness: Approx.35-55mm/ 1.4- 2.2in