Place the leak alarm in any potential flood point-next to bathrooms, basements, kitchens, boats, garages or etc. When the leak alarm detects even a small water leak, it sounds a very loud alarm and lets you know you have a problem that needs your immediate attention.Automatic operation. Once its three contactors Press the water, it will sound immediately with a strong 110dB alarm;No buttons, no programming, just place it where you want to check for water leaks;Use by water heater, sink cabinet, pump, washing machine, radiators and more;Made of resistant ABS plastic. It is specially designed to float in the event of a flood.Specifications:Cable length: 1 meterOperating voltage: 9vBattery: 9V alkaline battery (not included)Alarm: 110dBColour: whiteMaterial: ABSSize: 98*46*22mmPackage Contents:1 * AlarmOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.