Fingerprint Padlock Phone Watch App Gym Locker Lock: Keyless Padlock eLinkSmart Combination Lock - Black Metal Bluetooth Remote Padlock for Locker Backpack Suitcase Luggage - ‎Shenzhen Elink Smart Co., Ltd., YL-P8bf

• 🔒 App authorization: Admin can authorize your family/friends/colleagues to unlock, or cancel at any time. Set the sub-account‘s unlock period and schedule, and review the unlock record. App support 1 admin and 1000+ general users. 🔒 Fingerprint Unlock: Increased fingerprint sensor area, quick unlock in 0.1 seconds, record up to 20 different fingerprints including 2 admin fingerprints. Fingerprints to be registered via the App, only admin can reset or manage. 🔋 Extreme Long Battery Life: Smart padlock built-in 110MAH lithium battery, support 1 year standby time or be unlocked over 2000 times. When the battery is low, it will show red light or App voice prompts, just plug in USB power or charge it with a power bank. 📏Small size metal padlock: Lightweight Padlock with 0.4 CM diameter stainless steel lock shackle, (3.2+2.6)x 3.2x1.3CM, 0.06 KG, Shackle inside long 2.2 CM, width 1.8 MM, made of Zinc alloy and the shackle is made of stainless steel for superior cut resistance to protect your Gym locker. 📧 Widely Indoor Uses: The size of smart padlock is so small that you can easily place it in your pocket and it is the best choice if you want to take it to the gym, toolbox, cases, chests, cabinets,ect., Weight: 0.1322773572 pounds, Manufacturer: ‎Shenzhen Elink Smart Co., Ltd.