SONOFF DW2 RF 433MHZ Wireless Door/Window Sensor


Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1150776
  1. Working Voltage: DC12V (Model: 27A 12V)
  2. RF: 433MHZ
  3. Emission current: ≤ 20 mA
  4. Quiescent current: ≤ 1.5 uA
  5. Wireless Transmission distance: Max. 50m
  6. Material: PC




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Brand: Sonoff
Category: IoT WIFI Smart Switches

Doors and windows as the entrances and exits are the weakest points of your home. An unsecured door or window is like an obvious ‘WELCOME’ sign, to a burglar, so door/window sensors are also known as ‘entry sensors’ . As one of the most popular home security devices, the DW2-RF wireless door/window sensor is enough smart to get you to know whether your door or window is open, and it can not only send you alert notifications but also make you know when the entry point is opened, making sure your home is safe.

More importantly, the sensor allows you to add a security camera or old smartphone to view who is entering your home, providing you with more details and notes about the uninvited guest. Can sync the opening and closing status of door/window to the app which gives you peace of mind when you’re not at home. History records check can be traced back to the last 3 months and this can help you look back and check the condition of your home at that time. Lights are triggered in the action. You can set the linkage in the smart scene of the We Link app to connect the sensor and your light so that you can open or close the door to trigger the hallway light on and off.

The SONOFF Bridge is required for making this linkage possible. Combines with the IFTTT service, the sensor can be used to trigger more devices or routines. This ‘device sharing’ feature is for letting more of your family know your home is secure. After sharing the sensor, all of the shared users will receive an alert about the condition when someone opens the door. The sensor is adhesive installed, easy to move and remove. It can work just fine upside down and sideways, as long as the magnet is less than 5mm from the sensor, which makes no difference in how the sensor is located. It’s battery operated and has a low power consumption that ensures the battery life can last up to 2 years.


  1. Send the alert to your smartphone when the door/window is opened
  2. Open and close the door to trigger lights on/off
  3. Sync the opening and closing status of window/door to app
  4. Compatible with IFTTT service to set more routines
  5. Share the sensor to make more users know the status of home
  6. Can check history records last 3 months
  7. Low power consumption technology maximize the battery life – up to 2 years
  8. Easy to install and remove
  9. Note: SONOFF DW2-RF doesn’t come with batteries into package.

Package Includes:

1 x SONOFF DW2 RF 433MHZ Wireless Door/Window Sensor



SKU: 1150776 Category:


Product Type

Wireless Door/Window Sensor





Working Current


RF Power


P3D Material


RF Frequency


Shipping Weight 0.027 kg
Shipping Dimensions 8 × 5 × 3 cm



15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China

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