SUNSKY Sonoff RF Bridge R2 433MHz to Wifi Smart Home Security Remote Switch

Convert a 433MHz RF remote control into an application via WiFi

Make the 433MHz radio frequency device App remotely controllable

Support adding four 433MHz radio frequency remote control/curtain switch/alarm

Supports control of up to 16 433MHz radio frequency devices

Receive alarm push information from 433MHz PIR sensor, door and window alarm sensor