SF-2250-4 Sloan Sensor Activated Battery Powered Electronic Gooseneck Faucet - Chrome Splash-proof Circuit Control Module Adjustable Infrared Sensor Range 36" (914 mm) Long Sensor Cable 24" (610 mm) Long Flex Hose Filtered Solenoid Valve with serviceable Strainer Filter Bak-Chek Tee for Hot/Cold Supply 6 VDC Plug-in Adapter (Model SF-2200 only) Laminar Spray Head Includes Four (4) AA-size Batteries Includes appropriate Mounting Hardware Trim Plate Kit for 4" (102 mm) Centerset Sink