rotatable »3d« track spotlight with integrated ballast, light source low voltage halogen GY6.35, max. 60W, or »next generation« LED, 18W, »high color« version for best color rendering with a CRI of 95 and color temperatures of 2700 or 3000 K, or »high flux« LED for maximum luminous flux with a CRI of 85 and color temperatures of 3000, 3500 or 4000 K, all light sources dimmable