Sonoff DW2-RF

WiFi door/window sensor which uses RF on 433.92 MHz. Requires a RF bridge to use it with eWeLink.
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Most features mentioned below do require a RF bridge for interaction with the eWeLink system!

  • 433.92 MHz RF door/window sensor
  • Easy installation with 3M adhesive tape.
  • Create scenes to turn lights on or off (requires RF bridge)
  • Operates on 2 AAA batteries. Can work up to 2 years if the door/window is opened or closed 3 times a day
  • Supported functions:
    • Alerts on open / close
    • Scenes triggered by open / close
    • Scenes triggered by single button press
    • Sharing
    • History records check
  • Supported third parties:
    • IFTTT
    • Google Home

Sensor type


RF frequency

Power supply

Supported third parties

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Manufacturer: Sonoff


Product webpage:

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