The Shelly Door/Window 2 is a WiFi-operated sensor that detects and reports the opening and closing of doors and windows, as well as tilt angle, vibration, temperature, and lux
It seamlessly integrates with your home WiFi network, eliminating the need for additional controllers
Simply place it on your door or window, and easily manage it using your smartphone and the free Shelly Cloud mobile application
With its long-lasting battery life, you can fit and forget, ensuring continuous monitoring without frequent battery replacements.