Features: 1.10 sets of fingerprints, padlock supports up to 10 fingerprint records (supports two administrator fingerprints). 2.USB rechargeable, built?in 110mah lithium battery, charging for 2 hours, standby for 6 months, can be opened up to 1000 times after being fully charged 3.Made of zinc alloy body, with excellent strength. With LED indicator light, with 3 color indicator light to represent different states. 4.In case of emergency, it can be unlocked directly by fingerprint while charging. 5.Keyless fingerprint lock can get rid of the trouble of losing your keys or forgetting your password, because your fingerprint is your password. 6.Fingerprint ID is more secure and private for unlocking and authentication, improving the security of doors, cabinets, bicycles, backpacks, lockers, etc! Specification: Item Type: Fingerprint Lock_x000D_ _x000D_ Material: Zinc Alloy_x000D_ Unlocking Method: Fingerprint Unlocking_x000D_ Fingerprint Capacity: 10 Pieces_x000D_ Charging Time: 1-2 Hours_x000D_ Charging Interface: Micro USB_x000D_ _x000D_ Full Power Unlock Times: 1000 Times_x000D_ Maximum Standby Time: 6 Months_x000D_ Power Supply: 3.7V 110mAh Lithium Battery (Shipped with Built-in Battery)_x000D_ Input Voltage: DC5V 200mA_x000D_ Operating Temperature: -20-70 PackageList: 1 x FingerprintPadlock 1 x USBDataCable 1 x Manual