Wireless Door/Window Sensor SONOFF DW2-Wi-Fi

No Gateway Required
Easily pair the sensor to the eWeLink APP, then control it remotely through Wi-Fi—no additional gateway needed.
Battery Alert
When the battery is low, you will receive a notification on the APP to avoid missing security alarms due to a low battery.
History Log Check
Access up to 3 months of automatically saved record logs directly in the app.
Real-Time Sync & Camera Linkage
Monitor the sensor's real-time status in the app. You can also bind a camera to visually confirm any activity.
Quick & Easy Setup
Install in seconds with the included adhesive—perfect for door frames, window sills, and more.
*Note: Batteries are not included in the package.