This remote works with all Sonoff devices that use 433MHz RF. On the wall, the remote control is held by a magnet. Connecting is very simple. For example, on the light switch, you need to hold the button until the beep sounds, then press the button on the
remote control and that's it. On other devices, the connection is similar. I checked the work at a distance of about 25 meters, it works. Also, all my devices are not in the line of sight and everything works fine. In the useful information section, I will
add the devices used.