Breath better air! Easy to install & operate, the Auto IonizAir reduces unpleasant odors and smoke without the need for any cover-up fragrance. Dust and other airborne particles are typically positively charged,. Negative ions from the Auto IonizAIrcombine with dust and are removed from the air. The unit connects to any cigarette lighter or 12V accessory outlet in your car, truck or RV. A convenient On/Off switch allow easy use. The compact unit can easily be stored in you glove compartment.