wireless door and window sensor sonoff dw2 rf 433 mhz










wireless door and window sensor sonoff dw2 rf 433 mhz

Instant open alerts
The sensor detects separation of the parts and immediately sends a notification to your phone so you stay informed about what’s happening at home.

Long battery life up to 2 years
Thanks to low power consumption, the sensor’s battery lasts a very long time without frequent replacement.

Simple installation and clean design
The minimalist design fits any interior, and installation takes just a few minutes on most doors and windows.
The wireless SONOFF DW2 RF sensor protects your home by monitoring the status of doors and windows. When opened or closed, it instantly sends an alert to your phone so you can stay informed even when away. Its minimalist design blends into your interior and installation takes only minutes.
Thanks to efficient operation, the battery can last up to 24 months. Reliable 433 MHz wireless communication ensures a stable signal transmission without burdening your home Wi‑Fi network.
- Instant alerts for every open/close event
- Quick installation without wiring
- Long battery life due to low consumption
- Compact dimensions and clean design
Specifications
- Model
- DW2
- Power supply
- MN27 battery (not included)
- Quiescent current
- ≤ 40 μA
- Emission current
- ≤ 15 mA
- Operating temperature
- -10 °C to 40 °C
- Dimensions
- 70 × 31 × 19 mm / 42 × 14 × 16 mm
- Communication
- RF 433 MHz