【ZigBee 3.0 Protocol】SONOFF ZBMINI Zigbee Smart Switch must work with ZigBee Hub (required).Compatible with SONOFF ZBBridge, Amazon Echo, Samsung SmartThings Hub and Hue Bridge.ZigBee3.0 protocol with AES-128 encryption protects device data. 【Certified for humans】 No more hassle, DIY and stress.No need for patience: everything is easy! 【Realize two-way control】 In addition to APP control, the MINI Zigbee switch can also connect a pair of two-way rocker switches to turn on/off the bottom light from the bottom light.Ground. 【Works as a Signal Transmitting Station】Due to the distance between your device and the router, is it often offline?ZBMINI can be a ZigBee router to transmit signals between devices. 【Miniature Body, Huge Power】No matter what type of junction box you use, the switch can be installed in it to make your wall switch smarter. Case materialPC V0Special functionsTiming functionWiring modeZero line of fireRated frequency50 - 60HZ