Operated by C size batteries, so there is no electrical fitting required. It also features an auto-switch function between two battery compartments for longer running times. This simple, neat, practical and easy to operate washroom dispenser can dispense liquid and foam soap. To order, please choose what pump options( liquid or foam), and fill options (refillable or disposable pouch). MUST NOT USE IN SHOWERS AS THEY CANNOT GET WET - THEY ARE ELECTRONIC.