Krowne 16-196P Royal Series Single Hole Deck Mount Battery Operated Sensor FaucetKrowne Royal Series Electronic Faucet, deck mount, fixed spout, deck plate, 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, mixing valve included, internal check valves to prevent backflow & cross contamination, polished chrome finish, low lead compliant, NSF, cCSAus, ADA Compliant.