Washable Pre-Filter Catches Large Particles and Pollutants Twin Electrostatic Precipitators (ESP) Capture Airborne Pollutants Like Pollen, Smoke, Dust, or Any Particles As Small As 0.1 Micron Powerful UV Germicidal Lamp Destroys Micro-Organisms Such As Germs, Viruses, Fungi (Such As Mold) and Bacteria Negative Ion Generator Outputs of 3 Million/CC to Neutralize Floating Dust Electrostatic Precipitators (ESP) Overloading Auto-protected Suitable for Bedroom, Office, Club and Hotel Remote Control 1, 2, 4 and 8 Hours Timer Two Fan Speed for Dust Collection Power Wall-Mounted or Desktop Use Automatic Shut Off When Side Covers Opened Power Consumption: 40 W Ozone Output Concentration: <0.05ppm Unit Size (L X W X H): 386x160x339 mm Unit Net Weight: 3.4 kg