Domestic Ozone Sterilizer is a multi function device, used to purify both air and water. With digital display, there are 6 time duration for each rotation on the timer button, minimum staying times is 10 min, while maximum staying time can reach 90 mins. Manual rotate system can set the working time freely. Application: Food and Water: Fruits and vegetables washing Tableware washing Fish and meat Washing Water treatment Bathing Laundry Children’s articles Air Purification: Airtight room Kitchen Pets Carpets,newly decorated room with new furniture