Chrome plated brass single hole deck-mounted electronic sensor faucet, Cast spout with 2.2 GPM (8.3 LPM) vandal-resistant aerator and manual bypass operation, Modular assembly for easy installation (Note: supply stops to be supplied by others), AC/DC waterproof control module box with serviceable strainer filter, (2) 3/8" compression, 18" (457 mm) long flexible stainless steel hot and cold water supply hoses, Check valve assembly for cross-flow prevention, Hands-free washing reduces risk of contamination and saves water.