SONOFF Zigbee Bridge is the heart of smart home that enables you to remotely manage a variety of Zigbee devices and sensors for monitoring and control purposes of home, and allows you to create smart scenes to make Wi-Fi and Zigbee smart devices communicate to access a smarter home and control them all using the eWeLink APP. ZB Bridge can connect up to 32 sub-devices, directly connect 32 end-devices or 32 routers, or end-devices and router total 32.  Supporting SONOFF ZBMINI-L Wi-Fi Smart Switch, S31 Lite zb smart plug, SONOFF Zigbee wireless switch and sensors like temperature and humidity sensor, motion sensor and wireless door/window sensor can be connected with the Bridge to give you the possibility to create various scene linkages. As for more supported devices, the Bridge also can work with one-gang smart switch, temperature and humidity sensor, motion, wireless door/window sensor and water sensor that are certified by Zigbee Alliance. One-tap pairing all sub-devices, faster than Wi-Fi pairing. It supports to add a camera on the Bridge or sub-devices, convenient to view your home on any one of them. Can also command Alexa or Google Assistant to voice control your home.