Fingerprint Lock Electronic Door Lock Fingerprint Identification Smart Keyless Waterproof Security Anti-Theft Padlock Widely Applicable Fingerprint Unlocking: Say goodbye to cumbersome password combinations. You can unlock the smart padlock with just your finger in a fraction of a second. You never have to worry about losing your password or forgetting it. The fingerprint lock can store up to 15 sets of fingerprints. You can also authorize and share the padlock with your family/friend to use it. Durable Construction: The body of the fingerprint lock is made of aluminum alloy (AD12 alloy) and the shackle is made of stainless steel (201 stainless steel). It has excellent burglary and rust resistance to protect your cabinet or home from thieves. USB Rechargeable: The smart padlock is equipped with a 100MAH rechargeable lithium battery. The charging time is about 1.5 hours, and a full charge can be used for 4 months (2800 unlocking times). When there is no battery, the smart lock will remain locked, just connect to USB power and reset. Bluetooth Function: The fingerprint lock can also record who unlocks it, the unlocking time, the unlocking location, and verify the current usage time and location. Connect the smart padlock to the free mobile app via Bluetooth. You can use the app to register fingerprints, unlock, set authorized users, check the latest 1000 unlocking activities, etc.