SONOFF RM433 remote control with 8 buttons

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 OpenMQTTGateway modules below:

ZgatewayRF (ESP32 or ESP8266 with an RF receiver)
ZgatewaySRFB (Sonoff RF Bridge)

Here is the official link:

Now if we take a look to the power consumption of this sensor we can see that:

When sending signal 9mA during around 0.5s
Sleep current less than 1uA continuously

Duration estimation
See relative comparison into the list of compatible devices
It should last more than 1 year with 20 actions per day.

Some pictures:

Power consumption when no action

Base

Back

We can see that the remote is powered by a 12V 27A battery, 12V 23A will not fit into the remote for info.

Remote

Disassembly

Disassembly2

This little remote control is interesting, I retain the following advantages:

8 buttons

possibility to attach it to a wall thanks to a dedicated base

nice quality

seems robust

I recommend it.

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