I agree with other comments.
Quality / Price
Very fast delivery by mail.
Battery delivered
Being in front of the sensor.
No instructions.
Small but adequate remote control.
Missing a clip strap.
Possible change of battery.
1 single button use.
Function according to the type of view and according to the APN settings in the APN settings that I have not fiddled too:
- Supports long for opening and closing laché for: does not work (A Verfier in the settings).
- Supports 1 time for 1 time opening for closing BUBL: OK
- Walk with the timing of 3s or not: ok
- No development does not work (A Verfier)
For about 8 ... C'mon buys !!