Features: Portable, easy for professional DIY use. Low power consumption Safe, quiet and efficient. Eliminates odors, Freshens stale air. Application: Dryer,Dishwasher,Refrigerator,Electronic shoe cabinet,Air purifier and so on. Working Principle: Take advantage of high voltage, use dry air or oxygen in the air as for raw material to produce O3. Improves air quality, helps you breathe fresher, cleaner air with reduced dust, allergens & other irritants. Beneficial ozone generation, activated oxygen removes odors from tobacco-, food, pets, paint, mold & mildew. Specifications: Material:PC Size:Approx.14.5x5.5x7cm/5.7x2.16x2.75inch Type:5G/10G/15G Ozone Output: 5g/h, 10g/h, 15g/h (optional) Input Voltage: AC220V10% Gas Feeding: Dry Air or Oxygen Ozone Generating Method: Corona-Discharge Cooling Method: Ambient Air Cooling Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Ozone Generator