Features: With electrical fan help to cool the system. With timing switch help to control the product. This ozonator is portable, easy for professional DIY use. Low power consumption, so it will help you to save power. Safe, quiet and efficient. Eliminates odors, and freshens stale air. Applications: For home, car, workshop, shed, bathroom, meeting rooms, public places etc. Working principle: take advantage of high voltage, use dry air or oxygen in the air as former material to produce ozone. Anti-skid pad, wear-resistant and shockproof.