SONOFF DW2 WiFi Door/Window Sensor — Full Specifications
| Specification | Details & Explanation |
|---|---|
| Brand | SONOFF |
| Model | DW2 WiFi |
| Battery Type | 2 × AAA 1.5 V |
| Working Voltage | DC 3 V (2 × 1.5 V AAA) |
| Quiescent Current | ≤ 40 μA |
| Emission Current | < 15 mA |
| Wireless Standard | IEEE 802.11 b 2.4 GHz Wi‑Fi |
| Working Temperature Range | -10°C to 40°C |
| Operating Systems Compatibility | Android 4.1 or later, iOS 9.0 or later |
| Installation Gap (Magnet to Sensor) | < 5 mm |
| Material | Flame-retardant PC V0 |
| Certifications | CE / FCC / RoHS |
| MCU | OPL1000 |
| Transmitter Dimensions | 70 × 31 × 19 mm |
| Magnet Dimensions | 42 × 14 × 16 mm |
| Weight | 28 g |