365DIY Universal Auto Car Air Freshener Cleaner Purifier Disinfector Sterilizer Deodorizer Adopt anion technology: Extremely purify the air and remove toxic substances including the dust, odors, molds, etc. Produce active oxygen molecules: The anions may release the negative electric charges from oxygen molecules to make them more active. Therefore, the lungs will absorb 20% more oxygen and expel 15% more carbon dioxide. Broad-spectrum and efficient ozone: Ozone may kill virus, and will be deoxidized into oxygen in the end without secondary pollution, which the chemical agents can not achieve. Effective prevention of the air-conditioning diseases: Anions may improve metabolism, maintain a fresh air, relieve fatigue and effectively prevent the diseases arising from the air-conditioning. Automatic timed sterilization: Automatic timed operation of ozone, 15 minutes after startup, one time of sterilization is finished and the machine is shut down automatically then the ion starts to work.