Features: 1. Maximum Fingerprint Storage 100, Password 30 Groups, Swipe Card To Unlock, 2. Support Mobile Phone Nfc, Mobile Phone Remote Mobile App Management, 3. Mobile Phone Increase Users, Temporary Password Sharing, 4. With 2 Keys, 5. USB Emergency Charging 1. Product Model: B-U003d 2. Product Material: Aluminum steel 3. Unlocking : Fingerprint + Graffiti App + Password + Swipe + Key + Nfc 4. Application Software: Tuya App 5. Fingerprint Collector: Semiconductor Fingerprint Collector 6. Fingerprint Capacity: 100pcs Working Temperature: -20-60C 7. Mechanical Life 200,000 Times 8. Function Introduction: Maximum Fingerprint Storage 100, Password 30 Groups, Swipe Card To Unlock The Lock, Support Mobile Phone Nfc, Mobile Phone Remote Mobile Phone App Management, Mobile Phone Increase Users, Temporary Password Sharing, With 2 Keys, Usb Emergency Charging 9. Number Of : 100pcs 10. Waterproof Grade: Ip65 11. Battery Capacity: 4 X AAA Batteries (Not Included) 12.Color: As Shown Package Contents: 1 x 2 x Keys 1 x Screwdriver 1 x Card 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.