Description: Material: ABS Size(Dia.xH): 8.5cmx2.2cm/3.35inchx0.87inch Negative ion concentration: 15 million Active oxygen concentration: 15 million Power: 5W Rated voltage: 5V Specifications: PRACTICAL USAGESKeeps your fridge, closet, or cabinet smelling fresh for long time; eliminates odors so foods taste fresher longer. FRIDGE Reusable freezer and refrigerator odor box is perfect odor absorber that keeps food fresh Recharge refrigerator deodorant monthly. QUIET AIR CLEANERThis mini air cleaner operates at a low noise level, creating a restful, soothing atmosphere. It cleans the air around you without disturbing your working, learning or sleeping. DURABLE CONTAINERMade of quality materials, which can withstand dropping, banging, spilling or squeezing. Non trace stickers fixed, easy to stick anywhere you need. WIDE USESCan be used as odor absorber for fridge chamber, shoe closets, cabinets, wardrobes, pet toilets, car, travelling cases. Package Included: 1*Host 1*Data Cable 1*Instruction manual