Aqara door and window sensor T1 The Aqara door and window sensor T1 detects the open and closed status of doors or windows based on the distance between the sensor unit and the magnet. It consumes a minimal amount of energy. No tools are required. Simply stick it where you want it and use it in a dozen possible applications. A smart sensor with maximum versatility For added convenience and security, you can install this tiny sensor not only on doors and windows, but also in drawers, letterboxes and even air conditioning units Multi-ecosystem support After binding to an Aqara Hub, the sensor can be made available on third-party platforms such as Apple Home, Amazon Alexa, Google Home and even Matter. In addition, it can be natively integrated into Samsung SmartThings and Yandex Smart Home. Aqara home automations With our suite of smart home products, you can trigger various scenes and automations. For example, when you open the door in the evening, the Aqara Door and Window Sensor T1 sends a signal to the Aqara Wall Switch to turn on the light. No matter how late you get home, the light comes on automatically. Security notifications With the T1 door and window sensor, you can activate the alarm mode when you leave the house or are asleep. If a door or window is opened, the hub will sound an alarm and send a notification to your phone. Advanced technology The Aqara Door and Window Sensor T1 detects the current status of doors or windows via the distance between the sensor and the magnet. The sensor is also energy efficient and a battery can last over 2 years with normal use. OTA update support Compared to the original sensors, the T1 series has OTA update support, which has improved its stability and functionality.