Washout urinal;1/2" -14 NPT rear spud inlet connection;Battery-operated touchless electronic flush valve powered by two AA alkaline batteries (included);Delivers dependable water-saving performance and added hygiene;0.5 gpf (1.9 lpf);14-7/8" (378 mm) extended lip;Extended lip helps keep floor cleaner;Back wall design provides superior splash containment;Smooth contours make cleaning fixture fast and easy;Includes tank cover and tank cover locks;This product can help a building earn Water Efficiency points in LEED Green Building Rating System