Make commercial retrofit projects easier with the Spec Series commercial downlights. Select from five color temperatures with just the flip of a switch ranging from 2700 K up to 5000 K. Spec series downlights are not only 0 to 10 V dimmable, but also feature three light output settings. Allowing for low, medium and high performance levels to be set on the fly making the Spec series downlights a favorite among installers.