Easy to use: the wireless water leak detector triggers the host alarm when both sensors detect water leakage. 39;water, and the app on your phone receives a notification High quality Adopts intelligent detection with the anti-rust sensor, which makes the detector stable and reliable with high precision and sensitivity Mini size and low battery: 54mm x 35mm, easy to install. 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 it is possible to have water leaks like the cellar, the machine room, the warehouse, etc. /p> Note: Only works with T1 alarm system, and also the only wireless water leak detector that can work with the T1 alarm system, compatibility cannot be promised to others Technical parameters: Operating voltage: 3 V. p> Static current: 10uA. Alarm current: 65 mA. Indicator ;alarm: red LED. Alarm output: 433 m (factory default is 433 m). Wireless distance: 80 meters (in open space). Operating temperature: 0-60 C. Operating humidity: 0-80% RH (no freezing). Low voltage indicator: 2 V (flashing fast). Dimensions: 54 x 35 mm. Number of products: 1 piece White color