Water damage is one of the most common and costly problems affecting families. Even a small amount of water can cause a serious problem for your family. When even a small leak is detected, the alarm of the water leak sounds very loud and lets you know that you have an issue that needs immediate attention before it becomes an expensive problem. Characteristics: Automatic operation and high sensitivity. When its three contactors touch the water, it will immediately send an alarm with a volume of 85 dB. Easy to use. No buttons, no programming, just place it where you want to check the tightness. Made of durable ABS materials, sturdy and durable, environmental protection. Low consumption. Waterproof protection. Widely used in any potential flood site - next to bathrooms, basements, kitchens, boats, garages, etc. Technical data: Material: ABS plastic Colour white Operating Voltage: 9 V Alarm: 85dB Size: 8.2*3.2cm/3.2*1,3 inch Package Weight: 81 g/2,9 oz Package Contents: 1 * Alarm water leak (battery not included)