This luminaire is the workhorse for warehouse, production facilities, gymnasiums and large event venues. Fitted with the latest mid-power LED chips from Lumileds and powered by a high performance Meanwell driver. This product also comes with a 10-year warranty (See www.SpecGradeLED.com for details). This series has a range from 70W to 200W at an efficacy of 156 lm/w.