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, sump 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 meter Operating voltage: 9v Battery: 9V alkaline battery (not included) Alarm: 110dB Colour: white Material: ABS Size: 98x46x22mm Package Contents: 1 x Alarm Only the above package content, other products are not included. Note: Light shooting 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.