Model: 2400509, Somfy Water Leakage Detector It's simple to install this wireless Somfy sensor around your dishwashing or washing machine. It will then automatically send you an email to notify you if it detects any water leaks when it is connected to your TaHoma system. This implies that you can minimize any potential damage to your home and take quick action from anywhere, even while you're at home. The Water Leakage Sensor is made up of a signaling body and a sensor. It is advised that you install the sensor as close to the ground as possible (between 0.1 and 0.5 cm) for the best detection results. Identifies and notifies you of any water leaks in your house; best used near dishwashing machines and washing machines sends you instant email and push notification alerts