Floodstop for Washing Machines w/ 90 Degree, FS3/4H90, 3/4" Ball ValvesPrevent water damage from flooding and leaking washing machines. This washing machine leak detector will detect a leak, sound an alarm, and automatically turn off the water supply to the washing machine to prevent further damage. This water detection unit can be easily installed in about 10 minutes. Comes with a One Year warranty. Four AA batteries as backup or primary power supply Components 90 Degree Motorized Ball Valves (Two valves, 3 4 inch Hose