The Day-Light Sky is designed to provide optimal bright light therapy treatment and for the user The two-light setting provides 10 000 LUX while the one-light setting provides convenient task lighting BrightZone Technology engineered and tested to provide the field of illumination and 10 000 LUX experts recommend for maximum therapeutic benefit The Day-Light Sky light enclosure is 33% smaller than the Day-Light Classic while mainlining the same field of illumination adding versatility for the user The white diffusing lens eliminates glare and evenly distributes the light Two 55-watt light tubes emit a warm light and minimize potentially harmful blue rays Hi-impact polycarbonate lens filters 99.3% of harmful UV rays The height adjustable arm allows the light to be positioned at the appropriate height and angle for the user; this is the optimal light positioning recommended by light therapy experts Manufactured with high efficiency electronic ballasts the Day-Light Sky eliminates the annoying flicker experienced with ordinary fluorescent fixtures