New App Control Keyless Smart Door Lock Fingerprint Lock Bluetooth Compatible Tuya Password Lock Smart Home Mobile Unlock Unlock mode: Fingerprint / password/ Mechanical Key/ Tuya APP Fingerprint capacity: 50 Password capacity: 150 Administrator capacity: 9 Read time: 0.3S Fingerprint read: semiconductor sensor Password length6-8 digits Working power4x AAA battery ( Not included ) MaterialAcrylic+Alloy Applicable thickness: 35~55mm Emergency power supply: Micro USB power supply Door opening direction: left and right, both inside and outside Applicable door type: wooden door, metal door Specifications: Smart Secure and Reliable The smart lock aims to deliver an easy andconvenient lifestyle to you and your familyon the found ation of the security of yourhome and your privacy Multiple Ways to Unlock FingerprintPin PasswordApp Control ( BluetoothMechanical Key Quick Fingerprint Identification Dentify in 0.3s360 fingerprint Recognization Store up to 50 fingerprints Complete App Control Press to Unlock Manage Usersc share Temporary / Period Password Unlock LogGDIY Settings Fit Most Standard Door The diameter of the door hole1.5 ( 38mm ) -21 ( 54mm ) The thickness of the door1.38 ( 35mm ) 2.17 ( 55mm ) Package Included: