Product Usage: Flood damage is one of the most common problems affecting homes. A small amount of water can cause serious problems for your family. When a small leak is detected, a water leak alarm will sound loud to let you know you have a problem that requires immediate attention to avoid costly problems.Automatic operation and high sensitivity: You just put it where you want to check for leaks, and it will automatically help you detect leaks. Once the three contactors come into contact with water, it will immediately alert you. Easy to operate. There are no buttons, no programming required, you can use it right after you buy it.HIGH QUALITY MATERIAL: This leak alarm is made of high quality ABS plastic, durable and environmentally friendly. Low consumption. Helping you detect water leaks in your home is also beneficial to energy conservation and environmental protection. You won't regret it when you buy it.No. 9 alkaline batteries: This product requires No. 9 alkaline batteries, but we did not ship the batteries, so foreign friends need to buy them. This battery can usually be used for 1 year, and the battery needs to be replaced for 1 year after use. Make sure the product works efficiently!Suitable areas: This product is widely used in any potential flood point - near bathrooms, basements, kitchens, boats, garages, etc. You can choose our product only if there is leakage where you lie or work. Rest assured, no operation is required, you just need to install the battery and place the product where you want to test.Voltage: DC9VCurrent: 0.15AWorking voltage: 5 (V)Sound: 85 decibelsListing Includes: 1*Water Leak Alarm