unique design with patend protected.Not only ionizer but also HEPA,activated carbon & Photocatalyst,UV light and infrared inside

LCD screenInput voltage: 12V DCRated power: 1WNegative ion: 3.0 x 106ions/ccFilters: activated carbonUltraviolet light: 320 to 360nmInfrared ray: 0.2 to 0.5VAnti-bacteria rate:  90%Purification rate:  99.97%Airflow rate: 15mNoise: 25dBAnti-bacterial working life: one year (based on six hours working a day)Efficient area: 5m2 (54-feet)Working period: one year

car air purifier