* Wide application: Ideal for doors, cabinets, bicycles, backpacks, storage lockers, etc. *Easy operation: no tools required. You can easily add or remove fingerprints according to the instruction in the user manual. * 10 fingerprint groups: padlock supports up to 10 fingerprint recording(support 2 admins) Lock weight and size: 90g, 7.6 * 4.6 * 1.3(cm) 4. Fingerprint sensor coverage: 72 * 64MM 5. Unlock speed: within 1 second 6. Operation period: full charge 7. LED lights: 3 colors lights: red/blue/green 8. Battery: 3. .7V lithium battery Built-in 9. Operating temperature: -10 to +40 Celsius temperature 10. Fingerprint capacity: 10 times recording, storing 10 groups. There may be cases of damage in the package. Depending on your monitor, the color of the actual product may differ from the images. Thank you for your understanding. We do our best to describe our best to you, but if you are not sure about the actual product, we will prioritize you. Specifications may change without prior notice in order to change the package or improve product functionality.