This pump soap dispenser is the healthy and efficient way to wash your hands, with touch-free use so no germs or smudges are left behind! The unit comes with a key to lock the top cover, preventing unwanted spills. The opening is wide enough to refill easily, and comes with an internal sealing cap. The unit is able to dispense liquid hand soap and liquid hand sanitizer. It runs on 6 AA batteries (not included.) The compartment is located on the bottom, and removes easily to replace them. The unit also comes with the mounting plate and hardware, please be aware that it must be mounted at least 10 inches above the counter top, and 14 above a reflective surface for optimal sensor activation.