DOUBLEL Independent Battery Water Alarm Wireless Overflow Level Water Alarm Sensor DC9V Water Leakage Alarm Home System

Size(Diameter x Height): about 8.2 x 3.2cm 3.23 x 1.26rdquo. Battery: 9V Alkaline Battery not included). Alarm: 90dB. Package include1 x Water Leak Alarm(Not included Battery). Material: ABS Plastic. Material: ABS Plastic. Package include1 x Water Leak Alarm(Not included Battery). Color: White. Working voltage: 9v. Size(Diameter x Height): about 8.2 x 3.2cm 3.23 x 1.26rdquo. Alarm: 90dB. Battery: 9V Alkaline Battery not included). Features. 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 very loud alarm and lets you know that you have a problem that needs your immediate attention. Automatic operation. Once its three contactors touch water, it will sound immediately with 85dB loud alarm, No buttons, no programming, just place it where you want to check water leakage, Requires a 9-volt alkaline battery(not included), and normally a new battery can last for 1 ye