Elkay LKB721C Commercial Sensor Operated Battery Powered Deck Mount Faucet, Chrome

Elkay commercial sensor faucet, lkb721c sensor deck mount wash faucet, 1 hole, sensor operated (hands free), 5.65 spout reach, 7.32 spout height brass deck-mounted sensor faucet ac / battery powered, ac / battery powered. sensor-operated, non-mixing deck-mounted gooseneck faucet with adjustable sensor eyes. a continuous beam is emitted from sensor and faucet is activated by user placing hands under the spout. water will flow as long as hands remain within sensor range. when hands are removed, the water stops automatically based on the shut-off delay setting. the sensor then resets and is ready for the next user. chrome-plated solid brass construction with 2.0gpm laminar flow control on spout end. includes water-resistant sensor control module and power cables. features dual power options ac plug-in and battery holder with four aa batteries. slow-closing piston operated solenoid valve, in-line filter with clean out trap and flexible supply hose. control circuit is solid state, has adjustable sensor range of 7/8(22mm) to 6.75(171mm), shut off delay preset at 1 second and field adjustable to 2 seconds (to prevent sink overflow).