Sonoff Wi-Fi Wireless Door Window Sensor Homey RGBCW and White Options: Choose

RGBCW and White Options: Choose full RGB colors plus warm-to-cool white light (2700K to 6500K) on models like the B05-BL

or other low-voltage devices where precise pulse control or traditional on/off functionality is needed

It easily attaches to the beaded chain of your roller shades

It's ideal for older homes or situations where neutral wire installation is not feasible

TH Origin/Elite series)

Sonoff Wi-Fi Wireless Door Window Sensor Homey RGBCW and White Options: ChooseThe Sonoff Wi Fi Wireless Door Window Sensor is a contact sensor that detects the open closed status of doors, windows, and other entry points. It connects directly to your Wi Fi network (no hub required) and sends instant notifications to your smartphone via the eWeLink app. This sensor is essential for home security and triggering smart automations based on entry exit.