SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor
SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor

SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor

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【No Gateway Required】Easily pair the sensor to the eWeLink APP, then control it remotely through Wi-Fi—no additional gateway needed.
【Battery Alert】When the battery is low, you will receive a notification on the APP to avoid missing security alarms due to a low battery.
【History Log Check】Access up to 3 months of automatically saved record logs directly in the app.
【Real-Time Sync & Camera Linkage】Monitor the sensor's real-time status in the app. You can also bind a camera to visually confirm any activity.
【Quick & Easy Setup】Install in seconds with the included adhesive—perfect for door frames, window sills, and more.
*Note: Batteries are not included in the package.

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Specs & User Manual

SONOFF DW2 Wi-Fi is a wireless door/window sensor that connects directly to the eWeLink App via Wi-Fi, without need for a separate gateway. Once installed, it provides real-time status updates and can be linked to a camera for visual confirmation whenever activity is detected. To ensure continuous protection, it sends low battery alerts and automatically records up to 3 months of activity logs for easy tracking. With quick adhesive installation, it’s perfect for securing doors, windows, and other entry points in your home.

User Manual (PDF)
Model

DW2-WiFi

Battery Model

AAA 1.5V

Working Voltage

DC3V (2 x 1.5V battery)

Quiescent current

≤ 40 μA

Wi-Fi

IEEE 802.11 b 2.4GHz

Customer Reviews

Based on 2 reviews
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E
Elie Jabbour
Battery Consumption

This device is amazing — definitely a 5-star product! However, I find myself needing to change the batteries every month, which can be a bit inconvenient, especially since I have 8 of them installed. That's the reason i rated it as 4

G
GIULIANO BRAVIN
Excellent if used correctly.

I would like to inform the various users who have had connection problems with this device, because I also faced these problems but I solved them brilliantly.
The real peculiarity of this device is the wi-fi antenna, and the only way I have found to not have problems is to use an Omada AP (tp-link). These professional products offer a much better and more stable network than the integrated networks of the various modems on the market (I have a Zyxel nr5101 modem, an expensive product but the wireless part is as bad as the cheaper modems).
I repeat, using an Omada AP now, the DW2 is always online, always ready and quick in status changes, then it also connects easily with IHOST whose scenes work without hesitation, except only for an incorrect battery detection, but this is not a problem since on the EWELINK account the battery is detected correctly with the various low percentage warnings.
Product promoted, especially since thanks to the WiFi signal you can reach distances unthinkable for a zigbee network.

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