An intelligent sensor with maximum versatilityThe Aqara door and window sensor T1 detects the open and closed condition of doors or windows by means of the distance between the sensor unit and the magnet. It consumes a minimum amount of energy. No tools are required. Simply stick it to the desired place and use it in a dozen possible applications.Advanced technologyThe Aqara door and window sensor T1 detects the current status of doors or windows over the distance between sensor and magnet. The sensor is also energy efficient and a battery can last over 2 years in normal use.Security NotificationsWith the door and window sensor T1 you can activate the alarm mode when you leave or sleep. When a door or window is opened, the hub issues an alarm and sends a notification to your phone.Multi-ecosystem support: After connecting the sensor to an Aqara hub, it can be connected to third-party platforms such as Apple HOME, Amazon Alexa, Google HOME and even MATTER. It can also be natively integr