Smart Lock APP Remote Control Fingerprint Password Card Swiping Keyless Entry Lock for 35 to 50mm Doors Item Type: Smart Lock Material: ABS, Metal Opening Method: Remote Control Unlocking, Fingerprint Unlocking, Password Unlocking, Access Card Unlocking, Key Unlocking Number of Administrators: 9 Groups Number of Open Door Fingerprints: ≤100 Number of Open Door Cards: ≤100 Number of Open Door Passwords: ≤100 Fingerprint Comparison Time: ≤1 Second Fingerprint Identification Angle: 360 Degrees Rejection Rate: ≤0.1% False Recognition Rate: ≤0.0001% Sensing Time: ≤0.5 Seconds Human Language: Support Keypad: Touch,  Standard 12 Keys Unlock Time: ≤ 1 Second Battery Type: 4 x AA Batteries (Not Included) Applicable Door Panel: Approx. 35-50mm / 1.4-2in