Powerful UV germicidal lamp kills harmful airborne bacteria and virus Negative ionizer generates millions of negative ions to the flow of clean air Creating a more natural and healthy environment Super quite fan with 2-speed control prompts a large airflow without destructive noise No costly filters to replace, the steel collection blades can be removed simply and wiped clean with a damp cloth Energy efficient and inexpensive to operate ESP (electrostatic precipitator): yes Cold cathode UVC germicidal lamp: yes Negative ionizer: yes Negative ions output: >1,000,000 ions/cm3 Ozone concentration: <0.05ppm UVC wavelength: 254nm UVC irradiation intensity: 1,000 μw/cm2 Fan speed: 2 Air delivery highest: 8CFM Effective range: 100-feet Rating voltage: 12V DC Power supply included: GH2151: 100 to 240V AC/12V DC main adapter and car lighter adapter GH2151C: car lighter adapter Power consumption: 3W Dimensions: (H) 178 x (D) 72mm Weight: 0.3kg