4" deck mount electronic sensor faucet with polished chrome plated brass body with integral spout,2.2 GPM vandal resistant aerator,and AC/DC control module with internal flow control setting switches. 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.