Green Ozone Generator - the process of converting oxygen into ozone through high-voltage discharge, thereby generating a large amount of active oxygen in a confined space. It can effectively reduce various odors in the refrigerator and extend the shelf life of food. Refrigerator deodorant: generate ozone and negative ions, purify the air in the refrigerator, sterilize efficiently, and have no secondary pollution. If the effect is not satisfactory, you can turn it on again to enter the powerful deodorizing mode. Two smart modes: built-in battery, the daily purification mode can work continuously for three weeks; the powerful mode can work continuously for three days; it can be used for daily food preservation and daily deodorization, air freshener. Mini Portable: This mini portable air purifier weighs only 110g and measures 125 x 35 x 34mm, the air purifier is light and compact, suitable for home and travel, space-saving, sanitizing freshener. Wide range of applications: refrigerator air freshener, multi-functional O3 generator, effectively reduce the odor in closed environments such as refrigerators, freezers, shoe cabinets, closets, cars, and pet rooms.