Specifications & Notes: Capacity: 600ml (20 fl.oz) Large Capacity Power: Requires 4 x AA Batteries (Batteries NOT Included).Energy-efficient design for extended battery life. Compatibility: Works with most liquid soaps, hand sanitizers, lotions, and dish soaps.(Note: Not recommended for use with foaming soap or overly thick gels). Design: Modern, sleek design with a non-drip spout.