SAD Day Light Sky Lamp by Carex Modular Seating Usable Size (L x W) 7318 DS SLV Usable Size (L x W) 7' x 29 1 kg (1R99LPC) 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 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