Sonoff DW2-RF Instructions D'installation page 9

SONOFF TECHNOLOGIES CO., LTD.
Features
DW2-RF is a low-energy wireless door/window sensor that makes you know the
opening status of door and window by separating the magnet from the transmitter.
Connect it with the Bridge and you can create a smart scene to trigger other devices.
Low-energy
Application
Door
Note:
● Do not install outside the door/window.
● Do not install in the unstable position or in the place exposed to
rain or moisture.
● Do not install near wiring or magnetic object.
Replace batteries
Alarm recordings check
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English
Smart scene
Window