Our Advanced Spectrum MAX Professional Series Connecting Cable will connect any Advanced Spectrum Pressional Series LED grow light together! Tired of having all those controllers for your lights? Are you done with the confusion of wondering which controller controls each light? With our LED connecting cable you can string two or more lights together and control them all with only one controller! If you were looking to condense your growing space or just reduce all that clutter in your grow, add this cable to your grow light accessories!