[ Smart Fingerprint Padlock ]: Our smart fingerprint padlock features with fingerprint recognition to unlock/lock within 0.5s. No need to keep extra keys or remember a combination password. [ Easy Operation ]: Upgraded fingerprint locker lock can store 20 fingerprints (register 2 fingerprint for the first time) per padlock, which are directly managed within your thumbprint padlock. Intelligent algorithm are adopted to optimize the speed and accuracy of fingerprint identifications. [Strong Material & USB Charging Function Aluminum alloy and aluminum profile lock bodyanodized surface ensure high hardness and high compressive strength The padlock has low power consumption and long standby time. Single charge support more than 500 times.When the battery is exhausted, the smart lock will remain locked, just in USB power or charge it with a portable power bank. [Widely Applications]: The compact feature enables you to carry it anywhere you want.They are good options for both indoor and outdoor use in gym lockers, travel luggage, suitcases, golf bags, handbags, school lockers,furniture, bicycle,gate, fence ,garage etc., Manufacturer: DMETE