Smart Sensor™ technology provides fail-safe hand detection. Touch-free system helps prevent the spread of germs and bacteria. Controlled-volume dispensing minimizes waste and over use. Reliable, low-maintenance unit delivers clog- and leak-resistant operation. Operates on four D batteries (sold separately). Soap Dispensers Type: For Liquids; Interior Volume Capacity: 1,600 mL; Mounting: Counter; Color(s): Polished Chrome/Black.