Sonoff DW2 wireless door and window sensor

Sonoff DW2 - Wireless door and window sensor, WiFi 🔐📶

Smart monitoring without gateway - connects directly via WiFi
The Sonoff DW2 is a wireless door or window sensor that uses WiFi connection without requiring an additional hub or gateway. Ideal for securing your home and triggering smart automation, it integrates seamlessly with the eWeLink app and works with other Sonoff and SmartWise devices.

📡 Direct WiFi connectivity

The DW2 connects directly to your WiFi router - no Zigbee or RF hub required, making it easy to install and ideal for beginners.

🚪 Trigger on opening and closing

The sensor detects both opening and closing of the door or window and sends instant notifications to the eWeLink app (available on Android and iOS).

🧠 Smart scenarios in eWeLink

Automatically triggers other Sonoff or SmartWise WiFi devices:
✅ turning on lights
✅ Activating relays
✅ Switching on an alarm
It's all done through scenarios configured in the app.

🎥 Integration with video cameras

You can associate the sensor with an eWeLink compatible camera. When opening the door, the live video image is automatically displayed for real-time verification.

🔋 Battery power and low power consumption

Powered by 2 x AAA (3V) batteries (not included) and utilises a microprocessor with very low power consumption. Displays battery level in the app and lets you set a low battery alert.

📊 Technical Specifications

• Model: Sonoff DW2-WiFi

• Sensor type: magnetic contact (door/window)

• Connectivity: WiFi 2.4 GHz

• App compatibility: eWeLink (Android/iOS)

• Video integration: compatible with Sonoff/SmartWise cameras

• Smart scenarios: full in-app support

• Notifications: opening, closing and low battery

• Data storage: 3 months history in eWeLink cloud

• Antenna: internal WiFi

• Fixing: with double-stick tape (included)

• Power: 2 × AAA batteries (not included)

• Certifications: CE, RoHS

The Sonoff DW2 is the perfect solution for smart home door and window monitoring - no wires, no hub, just WiFi and smart automation!