1. Password unlocking to prevent password leakage, 16-digit virtual password unlocking, including 6-11 user passwords
2. When the battery runs out, it can be opened with a mechanical key
3. Convenient APP management, automatic locking and unlocking, car structure design, free your hands
4. Low voltage alarm: 4.8V
5. Material: aluminum alloy
6. Scope of application: anti-theft doors, wooden doors, composite doors, steel doors, etc.
7. Unlocking method: password / Bluetooth APP / key
8. Power supply: 4 AA batteries (not included)
9. Unlocking time: about 1.5s
10. Support cell phone system: Android 4.3 / IOS 7.0 or above version
11. Bluetooth standard: 4.1
12. Size: about 16.26 x 7.36 x 2.62cm