Trunking system type MADOX, for Pendant,Ceiling surface,Trunking mounting, main body material Anodized, Aluminium, IP class 20, Length 4468mm, width 40mm, lumen out 37500lm, LED driver HF: Non dimmable, with 8x1.5, Color temperature 4000 Kelvin, and CRI >80, Optic type NB - Narrow beam.