1. Lock body material: zinc alloy
2. Lock beam material: alloy steel
3. Scope of application: glass doors, shop doors, offices, etc.
4. Support equipment: Android/IOS
5. Charging method: USB charging
6. Built-in battery: 200mAh lithium battery
7. Charging time: U5: charging for 3 hours, standby for one year, U2: charging for 3 hours, standby for 3 months, U3: charging for 3 hours, standby for 3 months
8. Unlocking method: U5: fingerprint/APP/key, U2: key password APP/key, U3: fingerprint/APP/key
9. Charging interface: TYPE-C
10. Wireless distance: 2 meters
11. Waterproof index: U5: IP67, U2: IP65, U3: IP67
12. Working temperature: minus 20-80 degrees Celsius
13. Dimensions: U5: 42x12.2x3.1 cm, U2: 42.5x10.2x2.4 cm, U3: 42x12.3x3.3 cm
14. Weight: U5: 1447g, U2: 1000g, U3: 1066g
15. Waterproof and dustproof, suitable for multiple environments
16.USB charging, convenient and fast
17. Quenching treatment, hardening and thickening the lock beam
18. C-level lock core, high safety factor, hard lock body material
