Leak Alarm Water Leak Detector - Warns you of a leak it becomes a flood. Water damage is one of the most common and costliest problems affecting homes. Even a small amount of water can cause serious damage to your home. Now with Water Leak Alarm, you have a way to know when and where you have a leak in your home it becomes a costly problem. Place the Leak Alarm in any potential flood spot - 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 that you have a problem that needs your immediate attention. Automatic operation. three contactors Touching water, it will sound immediately with 85dB loud alarm No buttons, no programming, just place it where you to check water leakage Requires a 9-volt alkaline battery(not included),and normally a new battery can last for 1 year Use by water heater, sink cabinet, pump, washing machine, radiators and more Made of durable Plastics. It is specially designed to float in flood circumstances. Material: Plastic Color: White Size(Diameter x Height): about 8.2 x 3.2cm (3.23 x 1.26inch) working voltage: 9v Alarm: 90dB Package Contents: 3 x Water Leak Alarm Only the above package content, other products are not included. Note: Light reflection 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. Water Leakage Alarm Water Sensor Alarm Water Sensor Leak Alarm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.