2. Fake Closing alarm and low voltage alarm
3.Suitable for all doors.
4.Color: silver/ black/ Red patina
5.200 guest cards available
6.System logic: Anti-collision Loop
7.Dead Bolt in back plate
8.Reset function to ensure the safety of the lock.
9.With1.5V AA X 4 DC Battery.
10.Working with alkaline battery, low consumption and long use life.


Advantage
1. Convenience: Through the TT app, you can directly send a password to your mobile phone to manage your listings. It is suitable for renting, apartments, and homestays. It saves you time more quickly. You can check unlock records, or share with family or friends. Temporary password
2. Multiple ways: don’t worry about forgetting to bring the key
3. Emergency battery backup: If the battery power is low, every time you open the door, the door lock will flash red light and then open the door, which means that the battery is low. Or you can see it in the TT Lock app.






