Compact Ionic Deodorizer and Freshener for Storage Container Features: an innovative device utilizes ionic technology to generate ozone (O3) and anions to deodorize and freshen inside food storage containers, household storage boxes, closets and refrigerators: Naturally kills odors without any cover-up scents or fragrance Reduces food spoilage and prevents cross-contamination of food odors Extends the freshness and life of many foods Breaks down pesticides and herbicides on produce Built-in micro CPU intelligently controls the operation cycle Only three AAA batteries for about three months' operation Accessories: one set of Velcro stickers and one pieces hook Technical specifications: Rated voltage: 3 x AAA (4.5V DC) Power consumption: maximum 0.5W Dimensions (D x H): 82 x 35mm Weight: 0.07kg