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Sonoff DW2-WiFi

WiFi door/window sensor. No need for a RF bridge. Directly communicates with your WiFi router / accesspoint.

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  • WiFi door/window sensor
  • Easy installation with 3M adhesive tape.
  • Create scenes to turn lights on or off
  • Operates on 2 AAA batteries. Can work up to 3 months if the door/window is opened or closed 3 times a day.
  • Battery-level display and low-battery notification
  • Pairing with bluetooth, operation with WiFi
  • Only works on 802.11 b, not on 802.11 g/n/a/ac! (see “WiFi doorsensors & LED strip won’t pair” for more details)
  • Supported functions:
    • Alerts on open / close
    • Scenes triggered by open / close
    • Scenes triggered by single button press
    • Sharing
    • History records check
  • Supported 3rd party’s:
    • IFTTT
    • Google Home
Dimensions 70 × 31 × 19 mm

Sensor type


WiFi standard

, ,

Power supply

Supported third parties



Manufacturer: ITEAD


Product webpage:

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