Downlight, in Aluminium, for Ceiling recessed mounting, ceiling cut out 155mm. Light source LED, lumen out 2128lm, ballast type HFDa: Dimming Analogue 1-10V, CRI >80, with light source colour 3000K, with Ensto M/F plug, optic type SM - Silver matt reflector, Total power consumption 16.1W, IP54 from underneath \ 20 from above.