Krowne, 16-670, Krowne Royal Series Electronic Faucet, wall mount, 4-1/2" double bend spout, 4" centers, 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, brushed nickel finish, fits all Krowne hand sinks, NSF, cCSAus, ADA Compliant