【Dual Protocol Support】Whether your devices support Wi-Fi or ZigBee, now you can control them together on eWeLink APP through the Bridge. Make ZigBee and Wi-Fi devices interact. 【Strong connectivity, unlimited possibilities】The Bridge allows adding ZigBee devices that SONOFF has released, such as the BASICZBR3 DIY smart switch, to make your home smarter. 【Camera Functionality】You can add a camera to the bridge or sub-device, then view what happened in your home through either . 【Smart Scene】Works with SONOFF SNZB sensors to automatically turn on your living room light, control connected blinds, detect your home's real-time temperature and humidity, SONOFF transforms your idea in reality. (SNZB sensors are not included, please purchase separately) 【Long-distance signal transmission】Don't worry if the ZigBee signal quality is affected by the wall. Add a pluggable subdevice to the bridge and it can act as a router to provide communication between the bridge and the battery-powered subdevice. Number of sends: 1pcs (without battery)