Sonoff DW2 Smart WIFI Tür-und Fenstersensor Wireless App Einbruchsalarm
7,13 €
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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