Just fill water into bottle ,turn it on , it will spray Ozone Water for Disinfectant . it can be used for disinfection of hair treatment , clothes , sofa , Home . Car ,Hotel . Kitchen / Bathroom sewer and other public area . Ozone and ultraviolet light can effectively sterilize, keep the scalp clean, and prevent dandruff. Advantages of Ozone Water : 1. no dead corner for disinfection, high sterilization efficiency and odor removal 2. no residue and pollution. Size: 230*220*95mm Weight: 650 grams Working voltage: DC3.7V Current: 10W Bottle volume: 340/730ml Spray distance: 1~1.5 meters Battery capacity: 1800mAh Use time: low gear, continuous use for 70 minutes; high gear, continuous use for 50 minutes Charging voltage: DC5V/1A Charging cable type: Type-C