Smart Keyless Fingerprint Door Lock Electronic Door Handle Lock TTLock App Control Password with Keys for Home Office Bedroom Smart Keyless Fingerprint Door Lock Digital electronic lock security protection fingerprint Passcode Mechanical Key TTlock APP Smart Keyless Fingerprint Door Lock Digital electronic lock security protection fingerprint Passcode Mechanical Key TTlock APP Description: Whether it can be controlled by TT LOCK APP needs your own choice Fingerprint Door Lock Smart Keyless Entry Biometric Keypad Password Lever Handle Lock Feature: Multi opening methods- Fingerprint password keys or fingerprint password app, very smart and convenient. Large capacity- Fingerprint capacity is very large, you can store 50 fingerprints. Convenient to store fingerprints of family members or close friends. Super security- The door lock uses semiconductor and biological characteristics of technology to provide you with first-class security and avoid the same fingerprints. Quick unlock- Ergonomic design, the door can be quickly unlocked within 0.3 seconds by putting a fingerprint on it. It will automatically lock it for you. Installation is simple- No power cords or professionals are needed. It is suitable for most doors that use lever door locks, and is suitable for left and right handles. Emergency Key- The lock comes with 2 keys for standby applications, allowing you to unlock the door in the traditional way. Specifications: Fingerprint type: semiconductor Recognition speed: 0.25-0.3s Fingerprint capacity: 50 pieces Unlock method: fingerprint, password, app (choose by yourself), key Main material: zinc alloy Working temperature: 20°C~60°C Cylinder level: C level lock cylinder Applicable door thickness: 30~55MM Power supply: 4*AAA Applicable door type: wooden door, fire door, plastic door, anti-theft door, etc. Package Included: 1*lock 2*key 1*Instruction not include battery) Notes: The battery needs to be purchased by the customer