Sonoff Door/Window Sensor
![Sonoff Door/Window](https://cdn-media.itead.cc/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/d/w/dw2-1000px-6.jpg)
Available from:
Itead.cc
Banggood.com
Manufacturer:
Sonoff.tech
Wi-Fi Module:
OPL1000
Try to avoid similar devices from other sellers using same images and descriptions!
Sonoff DW2 runs on the OPL1000 chip instead of an ESP8266.