Advanced reflectors High Density Negative Ionization Effective bandwidth: 60% Clinically demonstrated. EMF protected UL, CUL, CE Safety listed No harmful UV. 30 day money back guarantee 2 year warranty Top selling effective dual treatment! Because the Sun Touch Plus combines SkyEffect Technology and Ion Technology , it provides powerful results using a lower level of 10, 000 LUX light making the treatment easier on the eyes and more enjoyable to use. The Sun Touch Plus produces 17000 Kelvin which makes it the highest rated Kelvin light therapy device on the market and the closest to actual blue sky. Small Size, the small size of the light box (smaller than many desk lamps) makes it easy to move or travel. The Sun Touch Plus also comes with a built in timer to help you control the length of your session. Sun Touch Plus automatically shuts off when your session is complete making sure you do not overuse your light. High density ion technology- Regular ionizers found on the market today are not made to treat winter blues or circadian rhythm disorders; they simply lack the technology to create the high-density result needed. NatureBright’s Ion Technology was made to create an effective, therapeutic level of high density ions. NatureBright incorporates the latest in ion and needle point repulsion technology so you get the benefit you need and have no messy filters or rods to clean.