Feature:1. USB rechargeable, builtin 110mAh lithium battery. It can support standbytime for 1 year and can be opened for 2500 times. Charge for 3 hours and 12 months of standby.2. Supports two ways to unlock: fingerprint and bluetooth. This fingerprint lock can let you get rid of the problem of losing your key or forgetting your password. You don't have to worry about not having a key with you.3. Supports remote authorization unlocking and remote authorization sharing unlocking. You don't need to wait far away. In an emergency, it can be unlocked directly by fingerprints even when charging.4. Unlock records can be queried. When someone uses their phone to unlock, you can see the records wherever you are. So you don't have to worry about the safety of your property.5. IP67 waterproof and no fear of wind and rain. With LED indicator and with 3color indicator to represent different states. Rugged and durable. Made of aluminum alloy body and alloy steel latch hook.6. The function of fingerprint ID provides a secure and private way to unlock and authenticate. It can improve the safety of doors, cabinets, bicycles, backpacks, lockers, etc.Spec:Item Type: Fingerprint Bluetooth LockMaterial: Alloy Steel/ Aluminum AlloyFingerprint Sensor: Semiconductor Fingerprint Sensor Technology, 120 x 1201. You need to enter 5 times when your fingerprint is entered for the first time to complete the fingerprint entry.2. Up to 20 sets of fingerprints can be stored.Fingerprint Sensor Shape: Square, Approx. 10.4 x 10.4mm/0.41 x 0.41inStorage Capacity: 20 Groups of FingerprintsTechnology: BiometricsFAR (False Acceptance Rate): <0.001%FRR (False Rejection Rate): <2%