No Need To Connect To The Internet, App One Key To Unlock The Lock When Someone Uses The Mobile Phone To Unlock The Lock, No Matter Where It Is, The Unlocking Situation Can Always Be Understood Office Is More Convenient, Fingerprint Unlocking Can Be Queried At Any Time Using High-Resolution Fingerprint Module + A Of Multi-Dimensional Fingerprint Recognition, The Speed And Accuracy Of Fingerprint Recognition Are Optimized To The Greatest Extent, And The Recognition Rate Is 0 AI Learning Technology, It Independently Perceives Fingerprint Changes, Maintains Sensitivity At All , And Becomes More Sensitive The It Is Used Description: 1. Material: Zinc Alloy 2. Fingerprint Storage Capacity: 50 (Pieces) 3. Recognition Rate: Less than 0.001(%) 4. Scope Of Application: Home, Office, Warehouse 5. Service Life: 100000 () 6. Number Of Unlocks: 100000 () 7. Rejection Rate: Less than 1% (%) 8. Power Supply: Alternating Current 9. Scan Time: Less than 0.2(S) 10. Working Humidity: -10-50(%) 11. Size: 4.55 x 4.35cm 12.Battery Capacity: 180 Mah 13Waterproof Grade: Ip65 14.Low Battery Alert: The Red Light Flashes When Turned On. The Battery Level Is Displayed In The Mobile App color: Green Package Contents: 1 x Smart Fingerprint Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.