Features: 1) Automatically monitors nocuous gases such as fog, alcohol, benzene and carbon monoxide through highly-sensitive sensors 2) Decomposes all nocuous gases, odors, smoke, benzene, formaldehyde, carbon monoxide and carbon dioxide through nanometer photocatalysis optical fusion technology 3) Positive and negative ions released continuously into the air by the generator for sterilization and disinfection; negative ions improve air quality and increase oxygen levels 4) Quick reaction and durable structure 5) Helps dispel fatigue for safe driving 6) Elekas fragrance available from France 7) Elegant and popular design 8) 99.97% sterilizing efficiency Specifications: 1) Working power supply: DC 12V 2) Designated power: