1、Bluetooth fingerprint padlock supports fast unlocking and fast recognition speed. 2、You can use this application to register fingerprints, unlock, set up authorized users, etc. 3、The intelligent padlock can be connected to the free mobile application via Bluetooth. 4、With USB charging interface, low power consumption, it can be charged via data cable and mobile power supply. 5、Support fingerprint, APP unlock, high security, can store about 20 fingerprints. Item Type: Padlock Material: Zinc Alloy Weight: Approx. 218g / 7.7oz Battery Type: 3.7V Lithium Battery Battery Model: 551424 Nominal Battery Capacity: 150mAh Number of fingerprints can be stored: 20 Rejection Rate: <2% Scope of Application: Cabinet Doors, Drawers, etc. Unlock Method: Fingerprint, APP Unlock Supported Devices: For IOS 9.0, For Andriod 4.3 and Above How to Use: Refer to the manual to enter the fingerprint, or download the APP to register, then you can use it. 1 x Padlock 1 x Data Line 1 x Manual 1 x Code Paper