Krowne Royal Series Electronic Faucet, deck mount, single hole, 6" rigid gooseneck spout, infrared sensor, battery powered (4 AA alkaline 1.5V batteries) or power supply (AC adapter not included), low battery indicator light, 30 second time out & 1 second closing delay, includes mixing valve, internal check valves to prevent backflow & cross contamination, polished chrome finish, NSF, cCSAus, ADA Compliant