This RF Bridge can convert most of the 433MHz RF Remote Controllers into WiFi wireless. It can be used for most of the 433MHz RF Remote controlled products, like RF controlled switch, RF controlled socket, RF controlled bulb, RF controlled door opener, etc.
Sonoff RF Bridge can work with door magnetic sensor, human body IR sensor, and more other sensors to realize security alarm, and allowing you to DIY smart scenes. It can make your home smarter.
RF Bridge can add up to four 433MHz RF Remote Controller/ RF Curtain Switch / RF Alarm, control up to sixteen 433MHz RF devices.
It works perfectly with Amazon Alexa and for Google Home which can procive you excellent voice control.
Turn connected 433MHz RF devices on/off remotely from anywhere on the App. And you can control the device by remote controller indoors with an extra 433MHz RF remote controller.(The 433MHz RF remote controller not included)