Digital padlock for gym lockers, phone app unlocking, authorized, remote, IP65 waterproof, keyless, swim center, backpack, luggage, gold Special Feature Rechargeable, fingerprint, waterproof, phone app, keyless, low power consumption, efficient user group management Lock Type Biometric Item Dimensions L x W x H 7.5 x 2.5 x 10.9 centimeters Material Stainless Steel Recommended Uses For Product Lockers Style Gold, vintage, classic Color Gold Number of pieces 1 , 2 Included Gym lock with efficient user group management, USB cable, user manual (English language not guaranteed) About this item Remote Locking Authorization: Authorize remote access for your family/friends/colleagues to unlock, supports 1 admin app and 500+ general users. The admin can authorize unlock periods and schedules and view unlock history with unlock time, unlock method, and user name. Fingerprint Unlocking: Your finger is your key, 1-second quick unlocking, stores up to 20 different fingerprints, including 2 admin fingerprints. Durable weather-resistant, easy to use. No reset button, only the administrator can reset or manage fingerprints. Small Size and Weatherproof: This mini fingerprint lock with a 0.4cm diameter stainless steel locking bolt fits a pistol holster; (4.3 + 2.1) x 4.2 x 1.6 cm, 0.074 kg, 1.7 cm inner loop, 2 cm width, for superior cut resistance. Weatherproof, protects against dust and water. Extreme Operating Time and USB Charging: The smart padlock is equipped with low power consumption and long standby time. A 110mAh rechargeable lithium battery can support 6 months of standby time and can be unlocked more than 2000 times. When the battery is low, it shows a red light; just connect USB power or charge it with a power bank.