Electronic Touchless Bulk Cartridge Soap Dispenser - Stainless Steel Made of stainless steel with touch-free operation to prevent cross-contamination. Dispenses only one drop (1 to 1.5 ml) of soap at a time. Requires 3 C batteries (not included). Capacity: 1000 ml. Dimensions: 4 13/16"W x 10 5/8"H x 4 3/16"D.