Specification Size: 211*143*58mm Material: high temperature resistant material ABS Power supply: Vehicle power DC12V working mode: inteligent detection, auto working mode Power: 6W Control Panel: touch button Negative Ion: 8 million Filter: Hepa, active carbon cold catalyst N.W.: 0.8Kg Features: High quality air sensor which can detect the air quality automatically and working mode choose automatically. 360 degrees centrifugal fan. Double ball fan, longer life and silence. Super large filter, 4 layer filter; 8 million negative ion output, keep air sterilization; High temperature resistant material which can anti high temperature especially during directly sunshine; Creative air ventile design: zero lost of air,achieve the ultimate effect of purification