SONOFF Door Sensor Zigbee Door Window Sensor, Door Contact Smart Automation 4PCS
Note: The SNZB-04PR2 D oor and W indow S e nsor needs to be used with a Zigbee Hub. Zigbee Hub Compatibility. Gateway & Sensors. 【Active Security with Tamper Alerts】Equipped with tamper detection. Smart Scenes can also be triggered such as gateway sound alarms.