Pay special attention to the following points when you purchase the electronic control lock:

1. Select a brand-name lock produced by a manufacturer with quality assurance.

2. Pay attention to the lock that is the same as the opening direction of your door.

3, pay attention to the width of your home door frame, the ball lock and handle lock can not be less than 90cm door.

4. Pay special attention when installing the electric control lock: only remove the safe end, only on the device, do not remove the device with the key, and read the manual carefully and carefully.

5, do not drop the oil into the lock, if the key is not sensitive, you can put some pencil core scraps into the key eye.

6. If you accidentally rotate the house within 90 degrees, it will be safe forever. This can only be opened with a key. Simply revolve 90 degrees counterclockwise to recover.

7. Do not wipe the lock body and handle with a damp cloth to avoid rust.