... door lock become more splendid. 2. 3 different kinds of verification methods for higher security, including fingerprint, password and key. 3. This lock ... provide stable and endure power to this lock. 5. It is easy to install ... batteries 2. Verify mode: Fingerprint, Password, Key 3. Sensor: Optical fingerprint scanning, super abrasion ... . Verification mode: 1: N 10. Keypad of lock: 4 numbers (0, 1, 2, 3) ...