Free APP Unlock: Your finger is your key. Keyless convenience helps you get rid of worrying about lost keys or forgotten combinations, also make work with Bluetooth, APP suitable for android/ios. Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc. The figerprint padlock can help you share the ‘key’ to friends. High-tech material:Our Fingerprint Smart Keyless Lock is made of ADC12 aluminum alloy which is tough and IP65 waterproof. Built-in capacitive technology to prevent your fingerprint from being copied. 2 Unlocking Methods: unlock on APP or input fingerprint on padlock to unlock.You won't losing the key or the password is known to the thief, because they can not get your finger. High-tech material:Our Fingerprint Smart Keyless Lock is made of ADC12 aluminum alloy which is tough and water-resistant.Built-in capacitive technology to prevent your fingerprint from being copied