Features:brand new and high qualityDeodorization and preservation: scientifically, quickly and safely release ozone, sterilize the source, eliminate refrigerator odor, extend the preservation cycle, inhibit the release of ethylene ripening agent, bacterial growth, etc., and prolong the freshness of food.Safety and environmental protection: pure physical sterilize, without adding any chemical-related items, environmental for protection and for health, can remove pesticide residues in food, and protect family for health.Powerful function: disinfection, sterilize, deodorization, safe, clean, instant release of ozone to kill all kinds of bacteria, high sterilize rate, reaching 99%, refrigerator air purifier high sterilize rate is more effective, and life is healthier.Intelligent control: It can be set once a day or once a week, fully intelligent control, running for 10 minutes each for time, USB charging, long-term use, and one charge can be used for 2-3 months. The product is small and simple, and can be placed anywhere in the refrigerator.High-quality products and services: Use this ozone air purifier for 10 minutes, you can easily remove odors and prolong food preservation for time, please rest assured to use. Specifications:Material: ABSSize: Approx. 85x85x30 mm/3.35x3.35x1.18 inOxygen Production Capacity: 40mg/hOperation method:Click the button once: The green light indicates normal mode, and disinfection is performed once every 7 daysClick the button again: The blue light indicates the strong mode, disinfected once a dayClick the button again: Shut downWhen the battery is low: the blue light flashes (please charge)Charge Method: USB Charging Note:Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Air Purifier1x USB Charging Cable1x Manual