The Aqara Water Leak Sensor T1 detects water leak or flooding events and monitors the status of water leak. When the water leak or flooding occurs, it can send an instant alert notification via app. It also works with other smart accessories to automate your home. Triggers Aqara Hub Alarm and Push Notifications: When the water level reaches up to 0.5 mm, the Water Leak Sensor T1 will trigger the Hub to sound an alarm and send a notification to your phone. IP67 Dustproof and Waterproof Rating: Aqara Water Leak Sensor T1 meets IP67 dustproof and waterproof rating. It is guaranteed to work in humid and dusty environments. Designed to Fit Everywhere: Aqara Water Leak Sensor T1 can be placed anywhere according to your needs, guarding your home with its elegant design. Moreover, its coverage area can be easily extended by connecting any wires to the probe screws. Multi-Ecosystem Support: After binding it to an Aqara hub, the sensor can be exposed to third-party platforms, such as Apple Home (featuring Critical Alerts). Moreover, it can be natively integrated with Samsung SmartThings and Yandex Smart Home. Aqara Home Automations: You can customize different scenes with our suite of smart home products. For example, after detecting a leak, the sensor will trigger the Aqara Smart Plug to close the water valve instantly.* Advanced Technology: The outer shell is made of anti-UV material and protects the sensor from discoloration. The sensor is also energy-efficient and one battery can last over 2 years under normal usage. (NEW) OTA Update Support: Compared to the original sensors, the T1 series has got an OTA update support, which has enhanced their stability and functionality. * This scene requires an AC-powered water valve and an Aqara Smart Plug.