Wireless water leakage detector(with lithium battery)Application:High-rise building, central air conditioning, basement, water tanks, engine room, boiler, water, water towers, ... false positives, stable and reliable; 2,wireless connectivity, flood monitoring, on-site high-decibel sound and light alarms ... flooding: 20 11.Dimensions: 105 * 65 * 35 mm...Flood probe:1.Power: 12V battery (alkaline 23A) 2. ...