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 it maximizes efficiency for up to 32 connected sub-devices which are zigbee-based switches, plugs and security sensors. sonoff basiczbr3 wi-fi smart switch, s31 zb lite 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.