Features: Usage: refrigerator deodorizer is a multifunctional air purifier that can electronically release ozones, eliminate odors, and maintain freshness. 2 adjustable modes: one-click on/off, easy to operate. The normal/enhanced gears are adjustable. Effective and safe: With its ozone-technology, this purifier effectively kills bacteria and eliminates odors, creating a clean and healthy environment for your food. Reusable: No need to replace filter, reusable! USB charging refrigerator deodorizer is fully automatic and maintenance-free, saving-time and money! Lightweight and compact: This portable deodorizer comes in a lightweight and compact-size. You can put it in the refrigerator, freezer, shoe cabinet, closet, wardrobe, car, pet room, etc. Specifications: Material: ABS Color: White/Green Size: Approx. 82x84mm/3.23x3.31inch Rated-voltage: DC5V Rated-power: 0.3W Battery capacity: 1500mAh Gear adjustment: Normal/Enhanced Full time: approximately 2 hours Power mode: USB Usage environment: household use Control method: button type Applicable area: belows 10㎡ Working principle: Ozones Package Includes: 1x Fridge Deodorizer 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.