simplehuman 13 oz. Sensor Pump with Soap Sample, Black The Touch-free operation means no germs passed on, and no smudges left behind. no-drip valve: Silicone valve creates a seal preventing messy drips. The sensor pump is engineered to dispense soap consistently and quickly in 0.2 seconds. Easy-access control buttons allows for volume control. Silicone valve creates a seal prevents messy drips. Includes our specially formulated soap is the optimum consistency for our sensor pumps. Dispense soap manually at any time by holding down the + button on top of the pump. Easy-access control buttons allows for instant volume adjustment. No messy spills: Wide opening makes refills fast, easy, and spill-free. Touch-free automatic soap dispenser Innovative silicone valve prevents messy drips Instant, accurate dispensing Adjustable volume control buttons Wide opening for easy refills Lasts up to 1 year with 4 alkaline AA batteries (not included)