Single hole wall mount electronic sensor faucet with polished chrome plated brass body and 4 1/4" swivel gooseneck, 2.2 GPM aerator, AC/DC control module, temperature mixing valve with check valves, hydro-generator and 18" flexible stainless steel supply hoses with 3/8" compression connections. Certified to ASME A112.18.1/CSA B125.1, NSF 61-Section 9, NSF 372 and UL 1951. Meets ADA ANSI/ICC A117.1 requirements