Overview: 【Backpack lock 】This is a great backpack lock for travel, the product is very small, lightweight and good-looking, with it you no longer have to bother about your unlocked boxes and backpacks. 【Small size, easy to carry】The weight of this fingerprint padlock is 0.13 lbs, the size is 2.76*0.91 in, easy to carry, and there are 10 sets of fingerprint capacity, USB can be mobile charging, ultra-long battery life, unlocking times up to 10,000 times more. 【0.3 seconds fast unlocking 】The fingerprint padlock with high-tech fingerprint induction technology, says goodbye to the tedious combination of passwords, your finger is the key, only 0.3 seconds to open the lock, no need to download any APP, no longer worry about forgetting the password or losing the key. 【Strong Material and High Security】The gym locker lock body is made of Zinc alloy material, which has high hardness and high compressive strength. The Zinc alloy metal lock body is seamlessly designed to prevent being picked or smashed. 【Multi-scene use】The luggage locks for housing apartments, gym lockers, gates, factory workshops, offices, bicycles electric vehicles, cabinet doors backpacks, suitcases, file cabinets, student dormitories, staff lounges, hospital escort wards toolboxes take-out delivery boxes, logistics express trucks, take-out vehicles and other public places lockers Product Information: Color: Red Black Material: Aluminum alloy Interface: USB Size: 23*70mm Packing list: Fingerprint lock + charger + manual *1