[Easy Install] No complicated installation tools are required. Wifi Door Sensor. Note: Only 2.4Ghz Wifi is supported, dual-band WiFi(2.4G and 5G), need to set up a separate 2.4G channel. [Multiple Uses]Install the Alarm Sensor not only on front doors or windows, but also on garage doors, liquor cabinets, front gate, safety deposit box, pet doors and more.
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