OPTIX SURFACE 1500 ASYMMETRIC 4000K DALI is a surface or wall mounted LED Linear luminaire with Asymmetric Aluminium Reflector, Asymmetric Light Distribution, Luminaire Dimensions: 1480x200x50mm, Sylvania White body colour, IP20, IK07, DALI dimmable, Low LED flicker (+/-5%), Neutral White (4000K) LED Colour Temperature, 4250lm, 37W, 115lm/W efficacy, CRI>80, 3 SDCM (3-step MacAdam ellipse) LED Colour Consistency, lifespan: 58,000 hours L90B10.