Trunking system type ANDOX, for Pendant,Ceiling surface,Trunking mounting, main body material Anodized, Aluminium, IP class 20, Length 4468mm, width 40mm, lumen out 18228lm, LED driver DALI: Dimming, with 5x2.5+9x1.5, Color temperature 4000 Kelvin, and CRI >80, Optic type NB - Narrow beam.