About this product: About this article Smart home lock Your finger is your password. The fingerprint ID function provides a safe and private way to unlock and verify identity. Supports the registration of up to 10 fingerprints. USB charging. This anti-fingerprint device is an electronic device. It is not recommended to use it outdoors in the sun and rain. ? Used for front doors, backpacks, suitcases, bicycles, gyms, offices, etc. Product description [Fingerprint Unlock] Say goodbye to heavy numbers, your finger is the key, dont worry about losing the key or knowing the password by thieves, because they cant get your finger. [Wide use] Indoor and outdoor, gym cabinets, suitable for luggage, golf bags, wallets, school lockers, furniture, cabinets, bicycles and other items that need to be protected. br>[Easy to carry] The size of the zipper is very small and can be easily put into the pocket. If you want to put it in the gym, it is the best choice. Easy to use: no tools required. You can easily add or delete fingerprints by following the instructions provided in the user manual. [Prevent the formation of cracks] No network connection, avoid private message transmission. Features: Shell color: silver. Product material: zinc alloy. Product size: closed body: 46 x 40 x 16 mm-beam diameter: 5 mm. Product net weight: more than 98 grams. Fingerprint shape: square. Fingerprint area: 11.5 x 11.5 mm. Fingerprint capacity: up to 40. Working voltage: 3.0-4.2 V. Charging and emergency: USB interface: MICRO Low battery alarm: The red light flashes for 6 seconds after unlocking, and the alarm can be up to 200 times. Operating temperature: -20 to +60C.