TOTO soap dispensers offer automatic, touchless operation. The hands-free function dispenses soap without contact. The self-adjusting sensor on the spout detects the user's hand to automatically dispense a controlled amount of foam soap. The 3 liter (.08 gallon) reservoir and controller is designed to connect with one chrome plated spout. Includes controller base unit with 3 liter (0.8 gallon) reservoir, one chrome plated spout, mounting hardware and supply lines. TOTO soap is required for proper functionality and is sold separately.