4" wall mount electronic sensor faucet with polished chrome plated brass body with 4 1/8" rigid gooseneck, 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.