?Electronic water leak detection and automatic water shut-off system for washing machines ?Can quickly detect water leaks from a leaking water heater ?Automatically shuts off water supply when a leak is detected ?Sounds an audible alarm when a leak has been detected to notify you of a problem ?Mute button to silence audible alarm ?Electronic LED control panel with easy-to-read and easy-to-use function buttons ?AC power with battery backup ?3/4 in MIP x 3/4 in FIP lead-free compliant, full-port motorized brass water ball valve ?System can be easily opened , closed, tested and reset with the touch of a button