1.Dual Function-The water leak sensor comes with a long wire that can be plugged into a hanging detector, or simply place the detector on the ground, suitable for basements, kitchens, or wine cellars. Once water is detected, it will make a sound to alert you of water leaks to avoid flooding.2.135dB Alarm-Each water leak sensor has an ultra-loud 135dB alarm audio that can be heard throughout the house even if there is a leak in the basement.3.Battery Powered-The water detector alarm is powered by a 9V battery (shipped with battery). No wiring or screws required. Unpack and install the included battery, which will last up to a year to keep your home safe.4.Easy to Use-No tools required. Simply place it anywhere water leaks may occur, such as sinks, washing machines, toilets, dishwashers and anywhere else you want to detect.5. [IP66 Waterproof] - Fully sealed waterproof shell, allowing you to use it in high humidity areas for long periods of time.Specification:Product name: Flood alarmBattery model: 6F22/9VAlarm current: 65mAAlarm duration: 5hProduct model: W100Standby current: 3.5uAStandby time: 3 yearsVolume decibel: 135dBProduct shell material: ABSOperating temperature: -10C-70CProduct appearance size: 80.5*26.5mm / 3*1 inchProduct net weight: 110g