Features: Applied to dryer, dishwasher, refrigerator, electronic shoe cabinet, air purifier and so on. This Ozone Generator is portable, easy for professional DIY use. Low power consumption, so it will help you save power. Safe, quiet and efficient. Take advantage of high voltage, use dry air or oxygen in the air as raw material to produce O3. Eliminates odors, freshens stale air. Specifications: Power Dimensions: Approx. 146mm * 55mm * 45mm /5.74 * 2.16 * 1.77inch Ceramic Dimensions: Approx.90mm * 50mm /3.54 * 1.5 inch Input voltage (Optional): AC110V, AC220V Output voltage: about 3800V Frequency: 18-20 KHZ Output ozone: 7g/h Power: about 80W Gas supply: dry air or oxygen Ozone generation method: corona discharge Cooling Method: Ambient Air Cooling Package Included: 1 x Ozone Generator Attention: 1. when using this ozone generator, better to use an electrical fan. And strictly forbid people working in the room with ozone in high concentration. The output high voltage is dangerous. You are strictly forbidden to touch it in any way when it is working. 2. Clean the ceramic plate with ethyl alcohol every month, and use it when it fully dry. In this way, it will guarantee normal ozone yield. 3. Please note that the old and new type of the product will be sent randomly, and make sure you will not mind before ordering.