Here is some infos about an OMG compatible remote control the SONOFF RM433
It’s a nice little remote control with 8 buttons, it is powered with a 12V 27 battery.
You can also buy a base, the remote fits into it by a magnet.
the protocol used is compatible with:
- ZgatewayRF (ESP32 or ESP8266 with an RF receiver)
- ZgatewaySRFB (Sonoff RF Bridge)
When sending signal 9mA during around 0.5s
Sleep current less than 1uA continuously
See relative comparison into the list of compatible devices
It should last more than 1 year with 20 actions per day.
Power consumption when no action
This sensor has been given for free by Itead, if you think it alter my opinion don’t hesitate to tell me.