4" deck mount electronic sensor faucet with polished chrome plated brass body, 4 1/8" rigid gooseneck, 2.2 GPM vandal resistant aerator, and AC/DC control module with internal flow control setting switches. Certifiedto ASME A112.18.1/CSA B125.1, NSF 61-Section 9, NSF 372 and UL 1951. Meets ADA ANSI/ICC A117.1 requirements.