Trunking system type LINDOX, for Pendant,Ceiling surface,Trunking mounting, main body material Anodized, Aluminium, IP class 20, Length 4000mm, width 65mm, lumen out 21732lm, LED driver DALI: Dimming, with 5x2.5+3x1.5, Color temperature 4000 Kelvin, and CRI >80, Optic type NB - Narrow beam.