. World’s most compact auto ionizer. Can replace cigarette lighter plug directly. 2. The only one in the world that can fit directly under flip-up panel. 3. Release O3 to kill many airborne germs, bacteria and allergens. 4. Reduce odors, chemical presence and cigarette smoke through oxidation. 5. Freshens the air inside the vehicle - keeping you more alert on the go. 6. Maintenance free. 7. No filter cost and no noise circuit and housing design.. 8. Same output capability and service life as all other Cecon models. 9. Applying advanced. SMD circuit board design to minimize the size.