Switchbot Contact Sensor

Window & Door Alarm Sensor for Home SecuritySwitchBot Contact Sensor can detect the opening/closing of doors and windows, guarding security of the elderly, children, and pets. With the built-in light sensor, it will automatically trigger the Switchbot Bot to turn on the light when someone moves when the environment goes dark. Detects People Leaving or Entering the HomeWith the built-in motion sensor, Contact Sensor will know whether you are leaving or coming home, making it possible to trigger the different actions you set in the "Scene" in the SwitchBot app. Easy to Install & Place It AnywhereThanks to the small and wireless design with long battery life, you can install Contact Sensor tool-free and get it set up in seconds. Peace of MindStay connected and in control with real-time alerts sent directly to your device, ensuring the safety and security of your home and belongings at all times. Matter compatible with the Switchbot Hub 2