[EASY TO USE]: You just need to put the water sensor alarm where you want to check for leaks. The water sensor ged will automatically help you detect leaks, and once the three contactors touch the water, the hot water sensor will immediately alert you. The water alarm musical is easy to operate. No buttons, no programming, you can use it when you buy it home [MATERIAL]: Bathroom shower leakage alarm is made of ABS plastic, sturdy, durable, low consumption and environmentally friendly. It can help you detect water leakage in your home. [A GOOD HELPER IN LIFE]: Water damage is one of the most common and expensive problems affecting families. Even a small amount of water can cause serious problem to your family. When detecting even a small leak, the water leakage alarm sounds very loud. [9V ALKALINE BATTERY]: This bathtub full water alarm requires one 9V alkaline battery (not included). This rain alarm battery for washing will typically last 1 year, after which the battery will need to be replaced. [APPLICABLE AREA]: This water detector alarm is widely used in any potential flood point - close to bathrooms, basements, kitchens, boats, garages, etc., Manufacturer: Sonew