The CHI Nano hair dryer features a lightweight ergonomic design with a powerful 1875W Ceramic motor for faster styling. Its ceramic ionic technology generates negative ions that dry hair without damage, while sealing in moisture and shine. Offering a dual air-intake system with two vents that help to reduce drying time while producing a stronger air flow.Rapid Clean Technology® Nano Silver and Blue LED lights help to kill bacteria providing cleaner air.CHI Nano Silver & Blue Light Technology - CHI Nano blow dryer is doing more to clean the air you breath with the Nano Silver & Blue Light Technology. The technology features CHI Nano Silver and Blue LED lights that send out wavelengths to kill bacteria and microorganism in the air. Similar technology has been used in hospitals and medical facilities to sterilize airborne pathogens and surfaces. Not only does the Nano Silver & Blue Light Technology help neutralize the surrounding air, it keeps the inside of the dryer free from bacterial build up, germs, dandruff and dust mites for an overall healthier blow drying experience.