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Sonoff White Wifi Wireless Home Sensor for Doors and Windows

The Sonoff door and window sensor is triggered when an attached door or window is opened or closed, instantly notifying your connected device. A real-time battery level display and a low battery reminder ensure your property is protected at all times.
Price: £3.99

RRP £10.99 | 64% OFF

In stock
Ships next working day

All product stock messages are up to date and as accurate as possible, with delivery times quoted at the checkout remaining accurate also.

These estimated time of arrival dates are constantly looked at and refreshed to ensure that you can purchase with confidence.

Delivery Methods


MethodEstimated Delivery TimePrice
UK Only
Royal Mail 48 Service (Super Saver) 2 to 5 working days From £1.60
Evri Tracked 2-3 Day 2 to 3 working days £2.99
Evri Tracked 1-2 Day 1 to 2 working days £3.99
DPD Tracked Next Working Day  Next working day if ordered before 5pm Monday to Thursday £6.99
International
DHL Global Mail 4 to 10 working days £3.50
DHL International Air Express 1 to 3 working days From £12.95

Delivery Information

  • Fast, same-day despatch when you order by 5pm on weekdays
  • Free no-quibble 30 day return policy
  • One flat delivery price for your order, no matter how many items you buy.
  • For partially in-stock orders you pay for delivery only once. If we have to split your order into 2 separate deliveries, you'll still only be charged for shipping once.

* For Eligible products only.   

Please note

  1. Orders for batteries and power banks may be subject to delays due to dangerous goods shipping requirements.
  2. DPD Next Working Day will only deliver the next day if your order was placed before 5pm Monday to Thursday.
  3. Next day delivery times may be affected during National Bank Holidays.
You can view all of our delivery options, covering the UK and international shipping by visiting our Delivery Information page.

Contactless Delivery

In order to deliver your orders safely, a number of our partners have introduced a minimal contact or contactless delivery service. By doing so both our customers and our delivery partners are kept safe. Click here to see which couriers are able to offer contactless delivery.

International Delivery

View the countries that we ship to here: International shipping

Returns Information

For more information about Shipping, Handling and Returns, please see our Terms & Conditions.

Delivery Information
The Sonoff door and window sensor is triggered when an attached door or window is opened or closed, instantly notifying your connected device. A real-time battery level display and a low battery reminder ensure your property is protected at all times.

Key Features

  • Monitor your property at any time
  • Ultra-efficient battery lasts up to 2 years
  • "Ask" to check the device status via Google Home or Alexa
  • Check history records
  • Share with others
  • Easy to install

Monitor your property at any time

With the Sonoff Sensor, you can monitor your property or household at any time. The sensor will be triggered when the attached door or window is opened or closed, sending over a notification to your phone.  You can check real-time opening and closing status through the eWeLink APP. 

*Please note that for sensor notifications the Sonoff RF-Bridge or other Gateways that use EV1527 will be required. 

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Ultra-efficient battery lasts up to 2 years

The Sonoff Sensor has a low energy consumption and the battery can last up to two years. The Sensor also features a real-time battery level display and a low battery reminder to ensure you are aware of when the sensor batteries require a replacement. 

*Please note that the sensor requires an MN27 battery which is not included.

"Ask" to check the device status via Google Home or Alexa

With the Sonoff Sensor you have the option to heck the status of an open or closed window or door through your Google Home or Alexa instead of solely your mobile device. 

Check history records

Easily check sensor trigger history records from the last 3 months via your phone. 

Share with others

Share your sensor status with others for added security. This way your entire household can have peace of mind and access to security notifications. 

Easy to install

With a simple peel-and-stick installation process, the sensor can easily be fitted into both door frames and window sills, as long as the sensor and magnet are aligned and the gap is less than 5mm. 

What's in the box?

  • 1 x Sonoff White Wifi Wireless Home Sensor for Doors and Windows

Key Details

Part No DW2-RF433MHz
UPC 00M0802070003
Mobile Fun ID 92474
Colour White
Brand Name Sonoff

All product stock messages are up to date and as accurate as possible, with delivery times quoted at the checkout remaining accurate also.

These estimated time of arrival dates are constantly looked at and refreshed to ensure that you can purchase with confidence.

Delivery Methods


MethodEstimated Delivery TimePrice
UK Only
Royal Mail 48 Service (Super Saver) 2 to 5 working days From £1.60
Evri Tracked 2-3 Day 2 to 3 working days £2.99
Evri Tracked 1-2 Day 1 to 2 working days £3.99
DPD Tracked Next Working Day  Next working day if ordered before 5pm Monday to Thursday £6.99
International
DHL Global Mail 4 to 10 working days £3.50
DHL International Air Express 1 to 3 working days From £12.95

Delivery Information

  • Fast, same-day despatch when you order by 5pm on weekdays
  • Free no-quibble 30 day return policy
  • One flat delivery price for your order, no matter how many items you buy.
  • For partially in-stock orders you pay for delivery only once. If we have to split your order into 2 separate deliveries, you'll still only be charged for shipping once.

* For Eligible products only.   

Please note

  1. Orders for batteries and power banks may be subject to delays due to dangerous goods shipping requirements.
  2. DPD Next Working Day will only deliver the next day if your order was placed before 5pm Monday to Thursday.
  3. Next day delivery times may be affected during National Bank Holidays.
You can view all of our delivery options, covering the UK and international shipping by visiting our Delivery Information page.

Contactless Delivery

In order to deliver your orders safely, a number of our partners have introduced a minimal contact or contactless delivery service. By doing so both our customers and our delivery partners are kept safe. Click here to see which couriers are able to offer contactless delivery.

International Delivery

View the countries that we ship to here: International shipping

Returns Information

For more information about Shipping, Handling and Returns, please see our Terms & Conditions.

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