SOL 9 - 450 Watt LED Grow Light Industry-leading 50W integrated LED Chips Patent-pending square fusion reflector PAR output matching that of a 750W HPS consuming only 450W Primary Coverage: 4' x 4' (122cm x 122cm) Supplemental Coverage: 15' x 15' (4.6m x 4.6m) Case Dimensions: 18" x 18" (46cm x 46cm)