It's hygienic because you don't have to touch anything. When you bring your hand close to the main unit, the sensor detects it and sprays the solution, allowing you to disinfect and deodorize your hands without touching anything, making it hygienic. Comes with an empty bottle specifically for the PD-1000 You can easily use it by simply pouring the solution from refill pouches or cubitainers into the PD-1000's dedicated bottle and setting it. *Please read the instruction manual after purchase for how to attach and detach the dedicated bottle. Power source: Batteries or AC adapter It can be used with batteries or an AC adapter (sold separately). Since it operates on batteries, it can be used even at event venues where there are no nearby outlets. Wall-mountable or freestanding - Use either way You can choose to mount it on a wall or place it freestanding, depending on the installation location. With a locking function The front cover can be locked to prevent theft and tampering. Main unit size: W165 x H314 x D138mm (D280mm including tray) Weight: 1.4kg This item has been opened, but it is unused. The box is slightly damaged, but the contents are clean.