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SONOFF Wi-Fi Door/Window Sensor
Close-up of SONOFF Wi-Fi Door/Window Sensor with key specs displayed, highlighting its compact design and features.
    SONOFF Wi-Fi Door/Window Sensor
    Close-up of SONOFF Wi-Fi Door/Window Sensor with key specs displayed, highlighting its compact design and features.
SONOFF Wi-Fi Door/Window Sensor
Close-up of SONOFF Wi-Fi Door/Window Sensor with key specs displayed, highlighting its compact design and features.
SONOFF Wi-Fi Door/Window Sensor
Close-up of SONOFF Wi-Fi Door/Window Sensor with key specs displayed, highlighting its compact design and features.
    SONOFF Wi-Fi Door/Window Sensor
    Close-up of SONOFF Wi-Fi Door/Window Sensor with key specs displayed, highlighting its compact design and features.
SONOFF Wi-Fi Door/Window Sensor
Close-up of SONOFF Wi-Fi Door/Window Sensor with key specs displayed, highlighting its compact design and features.
Specifications & Features

Fit this sensor to a door or window in your entrance hall to keep an eye on coming and going. It sends an alert to your phone when the door or window opens, so you can quickly check in even when you’re not at home.

Put this sensor on a front door or an internal access door, like the one between your garage and house. It detects when the parts move apart and links with your smart home system so you get fast notifications. That simple status update helps you spot unexpected activity or confirm arrivals without watching cameras or walking to the door. It’s small and discreet, so it blends into the frame and stays out of sight.

 

Specifications

  • Voltage: DC 3V
  • Battery Specs: 2 x AAA 1.5V (Not included)
  • Material: PC V0
  • IP Rating: IP20 – Indoor Use
  • Dimensions: Main sensor: 70 x 31 x 19 mm, Magnet: 42 x 14 x 16 mm
Installation Guidance, Tips & Tricks

Choose An Indoor Mounting Spot: Select an indoor door or window, such as an entrance hall, for installation to match the IP20 rating.

 

Align Sensor And Magnet: Place the main sensor on the frame and the magnet on the door so they align when the door or window closes.

 

Insert The Correct Batteries: Install two AAA 1.5V batteries into the sensor, then close the compartment securely before mounting.

 

Test For Phone Alerts: Open and close the door or window to confirm the sensor triggers and your phone receives an alert when it opens.

 

Keep It Clean And Dry: Wipe the PC housing gently and keep it away from moisture or splashes, as it is intended for indoor use.

Frequently asked questions

Does it send phone alerts when the door opens?

Yes, it sends an alert to your phone when the door or window opens.

 

Is it suitable for indoor use?

Yes, it is IP20 rated for indoor use.

 

What batteries does it use?

It uses 2 x AAA 1.5V batteries (not included) and operates at DC 3V.

 

Where should I install it?

Fit it to a door or window in your entrance hall.

 

What are the dimensions?

The main sensor is 70 x 31 x 19 mm and the magnet is 42 x 14 x 16 mm.

Specifications & Features

Fit this sensor to a door or window in your entrance hall to keep an eye on coming and going. It sends an alert to your phone when the door or window opens, so you can quickly check in even when you’re not at home.

Put this sensor on a front door or an internal access door, like the one between your garage and house. It detects when the parts move apart and links with your smart home system so you get fast notifications. That simple status update helps you spot unexpected activity or confirm arrivals without watching cameras or walking to the door. It’s small and discreet, so it blends into the frame and stays out of sight.

 

Specifications

  • Voltage: DC 3V
  • Battery Specs: 2 x AAA 1.5V (Not included)
  • Material: PC V0
  • IP Rating: IP20 – Indoor Use
  • Dimensions: Main sensor: 70 x 31 x 19 mm, Magnet: 42 x 14 x 16 mm

SONOFF Wi-Fi Door/Window Sensor

SKU: DW2-WIFI
R 257.00
R 257.00
R 369.00
Fit this sensor to a door or window in your entrance hall to keep an eye on coming and going. It sends an alert to your phone when the door or window opens, so you can quickly check in even when you’re not at home.
Secure payment options
Monitor Entrance Hall Door
Mount the sensor on your front door to receive instant phone alerts whenever it opens, so you can check activity while away or upstairs.
Secure Apartment Balcony Slider
Attach to the indoor side of the sliding door frame to get notifications if the door is opened at night or while you’re at work.
Protect Home Office Window
Fit the sensor to a study window and link it to your smart home app to alert you if someone opens it during work hours.
Monitor Garage Internal Access Door
Place it on the door between the garage and house to know when family arrive, and to receive alerts if it opens unexpectedly.

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