Product Detail: Description           high efficiency vehicle air purifier TG-KJC30 Can effectively purify the PM2.5,formaldehyde,bacteria, dust, smoke, etc. with Smart start and pause button, automatic start and stop running by micro displacement sensor . Double negative ion releasing head, 3 million high purity negative ions can be produced per second. Air flow can be adjusted according to the condition of the air and the use of the environment, which are two kinds of states of high and low. The device with a smart reminder function about changing the filter.Is the best choice for your traveling  with health.          3 in 1 high efficiency purification primary filtration +HEPA filter + granular activated carbon filter + fiber activated carbon filter Feature  1. USB charging interface, convenient for product connecting to power.  2. Start/stop by touching, air quality online monitoring, displaying soft light of  three colors.   3. High air volume, efficiently purify air in the car.  4. Intelligent switch of on/off, patent protection.  5. Intelligent remind of changing filters, patent protection. Specification Voltage DC12V Power(W) 4 Dimension(mm) 181x 166x66 Noise(dB)