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• 1/3/5PCS CoRui Home Alarm Water Leakage 110dB Spot Alarm Smart Sensor Detector Flood Alert Overflow Security Alarm SystemDescription: 100 percent Brand New and High Quality！ Place the Leak Alarm in any potential flood spot - next to bathrooms, basements, kitchens, boats, garages or etc. When the Leak Alarm detects even a small water leak, it sounds a totally loud alarm and allows you to know that you've an issue that wishes your prompt attention. Automatic operation. Once its 3 contactors contact water, it is going to sound straight with 110dB loud alarm; No buttons, no programming, easily position it the place you desire to ascertain water leakage; Requires a 9-volt alkaline battery(not included)，and usually a brand new battery can final for 1 year; Use by way of water heater, sink cabinet, sump pump, washing machine, radiators and more; Made of sturdy ABS Plastics. It is specially designed to drift in flood circumstances. Specifications: Material: ABS Plastic Color:White Cable lenth:1 meter operating voltage:9v Battery:9V Alkaline Battery (not included) Alarm:110dB Package Included: 1*Water Leakage Alarm Detector