Dispenses soap automatically, with no need to touch unit and risk cross contamination. Made of durable ABS for extended lifetimeand comes with a key lock for maximum security (9327K replacement key). Accepts most bulk foam soap and sanitizers, while dispensing .7ml liquid per stroke. 1000ml refillable bottle 9327B can be used long-term without adding to landfills (replacement available). Each bottle features vented large screw cap for easy refilling, while the battery operated dispenser will last 50,000 strokes or at least six months before needing replaced. Four size "C" alkaline batteries not included. 1 dispenser each.