Level Timer: 5 levels adjustable from 5 minutes to 60 minutes (5, 10, 15, 30, 60). You can set the purification time you need. Portable Ozone Generator: This ozone machine can be used for clean air and clean water. Ozone effectively removes odors, smoke odors, and harmful gases, with no secondary pollution. Ozone water can be used to clean hands, skin, face, vegetables and fruits. Large Capacity Output: This ozone generator is a portable and lightweight unit, with over 500 mg/h ozone production, allowing you to use it anytime and anywhere. Suitable for purifying air, water, vegetables, fruits, bath items, utensils, and feeding bottles. Easy to Operate: Press the power button lightly to start. The purifier enters the working state and the display panel shows 00. You can set the working time at the same time. Each light press of the timing keys UP or DOWN increases or decreases by 5 minutes. Maximum setting is 60 minutes. Use scenarios Home air and water sanitation: Run the device to purify room air and household water for everyday use. Food and utensil cleaning: Use ozone to clean vegetables, fruits, and kitchen utensils, or to sanitize bath and feeding items. care and baby items: Clean hands, skin or face with ozone water, and sanitize feeding bottles and related accessories.