Smart Fingerprint LockThe Operation of Fingerprint Padlock is Very Easy, No Need to Connect Bluetooth or App, your Fingerprint is The Key. The smart lock can record up to different fingerprints, Keyless design provides flexibility as you shareaccess with friends, family, colleagues and employees, etc. Extreme Long Run Time & USB RechargeableSmart padlock is equipped with lower power consumption and long standby time. A rechargeable 300MAH lithium battery can support 1 year standby time and can be unlocked over 3000 times. Sturdy StructureSmart padlock body is made of aluminum alloy and the shackle is made of stainless steel for superior cut resistance to protect your locker room or your cases against thieves. Indoor UsesFingerprint Padlock can be used on a wide variety of items besides suitcases or luggage, such as gym, home, school & fence, toolbox, cases, chests, cabinets and anywhere you want.