Main Features: <br />Refresh air in cars DC12V<br />Use no chemical or agents<br />Simply plug into cigarette lighter<br />Generates million of negative ions<br />Dramatically removes odors and allergens<br />Experience forest shower while driving<br />Maintenance free<br />Working voltage: DC 12V<br /><br />                                                        <br /><br /><br /><br /><br />                                                <br />