The machine adopts high pressure pump and spray nozzle, completely spray atomization, spraying evenly, the sterilization effect is more ideal; Using infrared sensing technology, contactless hand disinfection, chip control, more stable for using; Alarm device for filling or lacking of liquid, and the LED display liquid level information, more convenient for using; A tray attached in the bottom, effectively avoid liquid spray to the ground. Liquid adding mouth is designed on the side face, effectively avoid the dust into the machine when using.