1. This lock not only supports Bluetooth unlocking, but also retains the password unlocking mode, which greatly facilitates users who do not carry smart phones.
2. This lock also provides a mechanical key for emergency use.
3. Temporary invitation function, only need to send key to friends, family members or part-time workers, timely you are not at home, do not have to worry about others can not enter your room.
4. Bluetooth 4.0 transmission method to eliminate WiFi cracking.
5. Low battery warning: 4.8V low pressure alarm.
6. Operating Current: 200mA.
7. Purpose: wooden door.
8. Applicable door thickness: 40-45mm.
9 Power: 4 AA alkaline batteries (6V) (not included).
10. Support system: android 4.3 or above, iOS 7.0 or above.
Specification
| Material | Zinc Alloy, |
| Weight | 2100g, |
