Sonoff DW2 RF 433MHz Wireless Door/Window Sensor

Intelligent Sensor for Doors and Windows

Stay secure and worry-free with the Wireless Door/Window Sensor Sonoff DW2 RF 433MHz. This sensor sends a notification to your phone whenever a door or window is opened or closed, so you can rest easy knowing your apartment is safe.

Always Sure When the House is Safe

The DW2 sensor sends you a notification whenever an uninvited guest attempts to open a door or window, so you can be sure that your apartment is secure. Don’t worry about leaving things behind; this sensor has your back.

Ultra-Efficient Battery

Thanks to its low power consumption, the battery for this sensor lasts for up to two years before needing replacement.