The RM433 Remote Control is an advanced version of 433MHz 4-Button RF. Designed with 8 buttons to perform various functions performed on different types of devices. Like fan speed adjustment, brightness setting, etc.
Sonoff Pow R2 is an intelligent wireless power switch with monitoring of power consumption. Compared to Sonoff Pow, the Pow R2 has many new features and higher measuring accuracy.
The SonoffRFR2 is a Sonoff version with an integrated 433MHz RF receiver module. This product can be used in conjunction with an RF remote control, which allows you to control appliances indoors.