Ozone Generator Air Purifier: Ozone output 600mg/h Large capacity ozone can cover more space Suitable for home, Office, Kitchen, Restaurant, industrial, and so on,It also can used for skin protection and beauty,hand and feet clean Preserves freshness and extends food life Warranty: 24 hours customer service support and 30 days No Reason refund guarantee. If you encounter any problems, please contact me (MDPQT), thank you