Features: 1. Wiring-Free And More Stable, Ball-Shaped Indoor Fingerprint Lock, Tuya Bluetooth, 3 Unlocking Methods 2. Fingerprint Unlocking, Tuya Bluetooth Unlocking, Key Unlocking, 400mah Lithium Battery 3. Tuya Bluetooth Unlocking, Which Can Be Unlocked With One Click Through The Mobile Phone App 4. Emergency Key To Unlock. When The Battery Is Out Of Power Or The Fingerprint Is Invalid, You Can Use The Emergency Key To Unlock. 5. Triple Mode Settings, Channel/Anti-Lock/Normal Mode, Switch At To Meet Your Needs Description: 1. Product Name: Spherical Fingerprint Lock 2.Model: K10 3. Power Supply Method: 400mAh Lithium Battery 3.7V Power Supply, Type-C Temporary Power Supply And Charging 5V2A 4. Universal Lock Body: Single Tongue Lock (60-70 Adjustable) 5. Unlocking Method: Key; Tuya Bluetooth App; Fingerprint 6. Low Battery Alarm Function: 3.3±0.2v (Low Voltage Alarm) 7. Fingerprint Specifications: Semiconductor Fingerprint + Led Breathing Light (Fingerprints: 20 Pieces) 8. Fingerprint Pixels: 140* 96 9. Fingerprint Resolution: 508Dpi 10. Standby Quiescent Current Power Consumption ≤90uA 11.Average Working Current: ≤350mA 12. Life Test: 100,000 Times 13. Motor: M10 Motor 14. Lock Cylinder: Marble Lock Cylinder 15. Prompt Sound: Buzzer Prompts Navigation Material: aluminum colour: silver Package Contents: 1 x Fingerprint Lock 2 x Spare Keys 1 Set Of Screw Mounting Accessories 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.