The Sonoff Wireless Door and Window Sensor DW2 RF 433MHz is a smart security solution designed to enhance your home's protection against intrusions. It sends notifications to your phone whenever a door or window is opened or closed, ensuring you can enjoy peace of mind in your home.

Ensure Your Home's Security

If an uninvited guest attempts to open a door or window, this sensor will alert your phone app, helping you keep your belongings safe.

Exceptional Battery Life

Thanks to its low power consumption, the battery can last up to two years.

Technical Parameters

• Model: DW2
• Power Supply: Battery MN27 (not included)
• Standby Current: ≤40μA
• Emission Current: ≤ 15mA
• Operating Temperature: -10 ℃ to 40 ℃
• Dimensions: 70 mm x 31 mm x 19 mm / 42 mm x 14 mm x 16 mm
• Communication: RF 433MHz