Fingerprint ID is more secure and private for unlocking and authentication, improving the security of doors, cabinets, bicycles, backpacks, lockers, etc! Professional biometric technology, unlock quickly for 0.3s. No key or password are needed, fast and convenient. 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. In case of emergency, it can be unlocked directly by fingerprint while charging. Made of zinc alloy body, with excellent strength. With LED indicator light, with 3 color indicator light to represent different states. Keyless fingerprint lock can get rid of the trouble of losing your keys or forgetting your password, because your fingerprint is your password.