Sonoff Wi-Fi Wireless Door Window Sensor Homey allowing for remote control and

allowing for remote control and dimming via the eWeLink app

It uses the Zigbee protocol

or bathrooms

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

meaning it lacks a protective silicone coating

Sonoff Wi-Fi Wireless Door Window Sensor Homey allowing for remote control andThe 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.