this product has acquired patent and certificate of Guangdong Microorganism Test Center. FEATURE: 1. Eradicates bacteria without any remnants 2. Neutralizes stale and foul odors rapidly, Such as smoke and supplies fresh air 3.Modern & graceful appearance 4.Very quiet when operating,and easy to be equipped specification: voltage: DC12V~13.8V ozone ratio: 19mg/m3/hr power consummation:1.8W note: this product is searching for area agent, if you are interested, please contact with us. our tel: 86-769-5424578 fax: 86-769-5424577