This refillable dispensers offers an automatic, hands free operation that helps increase hand hygiene. This unit will only accept gel or liquid soap or hand sanitizer (no foam). The dispenser is battery operated and uses 4 C batteries (not included). Additionally, the cartridge is removable and refillable, works with most gel or liquid soap or sanitizer. Holds 1000 ml (33.81 oz) and dispenses 0.8 ml of product each use. The clear window allows for quick view of product level. This refillable dispenser also features a blinking LED light to monitor battery replacement. Includes lock and key to prevent theft or vandalism. This hand sanitizer/ soap dispenser includes adhesive tape and mounting holes.