The high water alarm feature is designed to warn you of a potential flood or high water condition ; When the water sensor is activated, it triggers a warning light, a steady audible alarm, and the remote terminal on the controller ; The water sensor accessory easily connects to the bottom of the Deluxe Controller and is mounted to the discharge pipe above the float switch and below the pit cover ; The sensor can be used for both sump and sewage applications ; High Water alarm feature meets codes found in several states which require an alarm to notify the occupants that water has reached a dangerous level ; For use with the DFC2 or VSC2 Deluxe Controller ; Easy to install on the discharge pipe ; Plugs directly into the bottom of the Deluxe Controller ; 10 ft. cord ; Mounting hardware included