SONOFF Zigbee 3.0 Smart ZBBridge Mini ZBMINI/Wireless Switch/Temperature/Motion/Door Sensor/SNZB-01/02/3/4 For Alexa Google Home SONOFF Zigbee 3.0 Smart ZBBridge Mini ZBMINI/Wireless Switch/Temperature/Motion/Door Sensor SNZB-01/02/3/4 for Alexa Google Home Description: 1.SONOFF SNZB-01Zigbee Wireless Switch is a mini and exquisite ZigBee wireless smart switch replying on SONOFF ZigBee Bridge that allows you to reach the purpose of scene linkages between ZigBee devices (SONOFF BASICZBR3 DIY smart switch and S31 Lite zb smart plug) and Wi-Fi devices. 2.SONOFF SNZB-02is a ZigBee temperature and humidity sensor that can seamlessly work with SONOFF ZigBee Bridge to track and record the temperature and humidity change in your home, which all real-time readings can be checked on eWeLink APP. 3.SONOFF SNZB-03is a ZigBee motion sensor is an extra-handy smart device for placing anywhere in your home to detect motion and trigger alarms. 4.SONOFF SNZB-04is a ZigBee two-in-one wireless door/window sensor that can be put on your door or window to tell you with an alert notification if your door or window is opened or closed, adding an extra layer of security to your home.