Superior Durability】- Made of aluminum alloy and stainless steel material. Built-in advanced CPU, good recognition, 1 second to unlock. 【Safe and Convenient】- No Bluetooth, no App ,which means lower power comsumption, less problems caused by an App ,Never worry about losing your key or forgetting passwords. Your finger is the key, and it only takes 1 second unlock it. The Fingerprint padlock can record up to 20 different fingerprin. 【USB Rechargeable】- Low power consumption and long standby time,after full charge,it can unlock more than 3,000 times.It's as simple as charging a cell phone.You can use your portable rechargeable treasure to recharge.never need to worry about suddenly losing power. 【Wide Applications】- IP65 waterproof, high-quality outdoor and water resistant. 2.68 inch steel cable works for mulitple bikes locking, it also can be use for motorcycle, gate, garbage can, patio grill, outdoor furniture etc,.