Up&Down Transparent LED Panel Light,Equipped with high transmit PMMA LGP & transparent plate, making KRYSTAL visible when powered off,invisible when powered. Well painted alloy aluminium frame,Ral9016 as standard .In fact,with the development of society,people pay more and more attention to the ultimate goal of indoor lighting. That’s the visual comfort. Among the advanced lighting concepts,space lighting is the one which combines lower glare, higher effciency,better visual comfort & decorative performance. KRYSTAL MEETS ALL !!! Enjoy pure outdoor daylight with Sunttro indoor,Wide color temperature range from1600K to 12000KColor temperature ranges from clearblue sky  at 12000K to candle light at1600K.Sunttro closely follows thePlanckian locus and can replicatevast  colors of naturallight.