The SONOFF DW2-Wi-Fi – Wireless Door/Window Sensor (1 pcs) is a smart sensor that connects to an app via Bluetooth and operates through WiFi, eliminating the need for a gateway. It features a low-battery reminder and automatically saves three months of history records. Users can check the sensor's status through the app and have the option to integrate a camera for enhanced monitoring. The sensor is designed for easy installation with a peel-and-stick method, making it suitable for door frames and window sills.
