SONOFF Zigbee Wireless Door and Window Sensor, Smart Security Door Contact Alarm

SONOFF SNZB-02D Zigbee LCD Smart Thermometer Temperature and Humidity Sensor

SONOFF Wi-Fi Wireless Door Window Sensor Smart Home Security No Gateway Required

SONOFF Basic R4 10A Wifi Switcher Smart Home DIY Module EWELINK Google

SONOFF Zigbee Wireless Door Window Sensor, Door Contact Alarm, Smart Automation

SONOFF DW2 WiFi Wireless Door and Window Sensor Home Security Automation Control

4PCS SONOFF Zigbee Door and Window Sensor, Window Door Contact Alarm App Control

4 Pack SONOFF Zigbee Wireless Door Window Sensor, Home Window Door Contact Alarm