Easy to use: The wireless water leak detector triggers the host alarm when both sensors detect water, and the app on your phone receives a notification High Quality Adopts intelligent detection with anti-rust sensor, which makes the detector stable and reliable with high accuracy and sensitivity Mini size and low battery: 54mm x 35mm, easy to install. The LED indicator flashes when the battery is low, please change a new battery Widely used: can be widely used in water storage devices or places where there is a possibility of leakage such as basement, machine room, warehouse, etc. Note: Only works with T1 alarm system, and also the only wireless water leak detector that can work with T1 alarm system, compatibility cannot be promised to others Technical Parameters: Working Voltage: 3 V. Static current: 10uA. Alarm current: 65 mA. Alarm indicator: Red LED. Alarm output: 433m (factory default is 433m). Wireless Distance: 80 meters (in open space). Operating temperature: 0-60C. Operating humidity: 0-80% RH (no freezing). Low voltage indicator: 2 V (fast flashing). Dimensions: 54 x 35 mm. Number of products: 1 piece White color Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.