Gym Locker Padlock, Fingerprint or Remote Unlock, Unlock Log, Scheduling, IP65 Waterproof, Security Key Smart Lock for School/Gym Lockers, Backpack, Gun Box, Gold Remote Unlock Authorization: Remotely authorize your family/friends/colleagues to unlock. The app supports 1 administrator and 500+ general users. The administrator can authorize the unlock period and schedule, and review the unlock log with unlock time, unlock method, and username. Fingerprint Unlock: Your finger is your key! Fast 1-second unlock, register up to 15 different fingerprints including 2 administrator fingerprints, weather-resistant, and easy to use. No reset button, only the administrator can reset or manage fingerprints. Small Size & Weather Resistant: This mini fingerprint padlock features a 0.4 CM diameter stainless steel shackle, (4.3+2.1)x 4.2x1.6 CM, 0.074 KG. Shackle inner length 1.7 CM, width 2 CM, made of zinc alloy and the shackle is made of stainless steel. IP65 weather-resistant protects against dust and water. Long Operating Time & USB Charging: The smart padlock is equipped with lower power consumption and long standby time. A rechargeable 110MAH lithium battery can support 6 months of standby time and can be unlocked over 2000 times. When the battery is low, a red light will appear. Simply connect USB power or charge it with a power bank. Wide Application: Portable smart fingerprint lock is suitable for outdoor and indoor use, such as house doors, gyms, gates, warehouses, lockers, sheds, suitcases, handbags, drawers, bicycles, bikes, luggage, fences, garages, offices, etc. If you need to make a return, please contact customer service, the padlock must be unlocked first.