SONOFF SNZB-04 Zigbee Wireless door/window sensor

SONOFF SNZB-04 Zigbee Smart Door Window Sensor Mini Door Alarm Sensor Work With SONOFF Zigbee Bridge Pro For Smart Home Security Note: SNZB04 must be used with Zigbee Bridge. The wireless door/window sensor is essential for knowing who is coming in and out of your home, so it is most often used as part of smart security system. SONOFF SNZB-04 is 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. The sensor provides you the possibility to create a scene linkage of Zigbee and Wi-Fi devices. Both the opening and closing status of the door/window are synced on your mobile phone, no longer to think back whether the door/down is off or not. It is really useful and can help you turn on or off the light in the action. Works with SONOFF Zigbee Bridge Pro in harmony, you can set a scene to get your hallway lighted immediately when