... 5 minutes more2.The dynamic display of temperature, humidity, negative ion, plasma, battery capacity, a fan and a battery charging ... crystal display3. Quintuple purification: HEPA filters, activated carbon, negative ion, photocatalyst, plasma 1) super-activated carbon filter HEPA air filter ... Application1.Vehicle2.Home: Kitchen, Laundry room , Bathroom, Closet, Refrigerator3.Ornamental water feature