BOBRICK Counter Mount Automatic Foam Soap Dispenser in Chrome

Touch-free sensor detects user's hand to automatically dispense controlled amount (0.8 ml) of soap; activation range is 4 in. (100 mm) from sensor lens. Bright-polished chrome spout cover dispenses 1000 handwashes per 800 ml or 2000 handwashes per 1600 ml One Shot soap refills, requires 4 "D" Cell batteries (not included). Maximum countertop mounting thickness is 2 in. (50 mm) and contains a spacer for use with sink rim 3/4 in.(19 mm) or greater.