SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
$7.00
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【No Gateway Needed】The sensor is paired with App via Bluetooth and is controlled on App via WiFi.【Low-Battery Reminder & History Records Check】There is a reminder on App about the low battery, and 3-month history records are automatically saved.【Status Sync & Camera Binding】Check the status of the sensor through App to get the real status. You can also add a camera to view.【Easy Installation】With Simple peel and stick installation, it is easy to fit in door frames and window sills.【Note】Batteries are not included in the package.
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