Features 1、5 in 1 Door Lock: Support 5 unlocking methods ways, password, fingerprint, smart card, for TUYA APP, fast and convenient, also can be unlocked by a mechanical key in case of emergency. 2、3D Fingerprint Sensor: Hold the handle and press the fingerprint to unlock the door in one step, 100 fingerprints can be registered. Recognize your fingerprint to unlock in 1‑1.5 seconds. 3、External Power Supply: The smart lock is powered by 4 AA batteries (not included), and there is a Micro USB port on the bottom of the external component for external connection to a power source. 4、Rugged Construction: Keyless entry door lock is made from high strength aluminum alloy material, impact resistant, scratch resistant, not easy to crack or break. 5、Easy Installation: Digital intelligent door lock is simple to operate, no complicated operations, convenient for using, perfect to upgrade the door lock of your room. Specification Item Type: Smart Lock Material: Aluminum Alloy, ABS, Acrylic acid Color: Black Door Thickness: Approx. 3555mm / 1.382.17in Communication: Wifi Support System: for Ios 7.0 Or Above, for Android 4.4 Or later Battery Life: (1012 Months) Press 10 Times / Day Can Be Unlocked Normally Power Support: 4 x AA Alkaline Batteries (Not Included) Static Current: ≤50uA Dynamic Current: 200mA Unlocking Method: Fingerprint, IC Card, Password, APP, Mechanical Key Unlocking Time: 11.5s Operating Temperature: 2050℃ Operating Humidity: 10%95% Factory Default Password: Factory Default Password: 123456. After Resetting The Administrator, This Password Is Invalid Locking Type: Support Single Bolt, 5072 4585 6085 050 5572 KS Insertion Tenon Virtual Password: Available Package List 2 x Lock1 x Set of Electrolytic Board (7pcs)2 x Screw Package 2 x Mechanical Key  2 x Smart Card  Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.