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 raw material to produce O3. Ozone Output: 60g Input Voltage: AC220V High Voltage: 3.1kv-3.5kv Power Consumption: 90W Gas Feeding: Dry Air or Oxygen Ozone Generating Method: Corona Discharge Cooling Method: Ambient Air Cooling Colour: blue Material: plastic + metal Package Contents: 2 * Ozone Generator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.