Or wanna your bed-room light turns off automatically once you walk into the living-room?. Any of your ideas will be reality with SONOFF DW2-Wi-Fi wireless door/window sensor. The sensor will trigger an alarm to your smartphone to remind you of an intruder when the door or window is opened.
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✔ SONOFF wireless door/window sensor can be put on your door or window to tell you with an alert notification if your door or window is opened or
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Push instant notification to your phone when door/window is opened or closed. Convenient for you to detect the status of doors, windows, drawers or
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EveryMarket
Google Home compatible
Sonoff DW2-Wi-Fi Wi-Fi Wireless Door/Window Sensor - Door and Window Sensor