Low profile, die-cast aluminum housing, Versatile mount arm - Multiple drill patterns, round and square poles, Available in 50W - 350W (7,100 - 48,600 lumens) models, Maximize energy savings with efficacies up to 148 lumens per watt, Type II, III, IV, V distributions, Replaces 150W up to 1,500W HID equivalents, Standard 4000K CCT minimum 70CRI (3000K and 5000K CCT optional), 120-277V Standard, 347V or 480V optional. Standard 0-10V dimming, Integrated stand-alone or wireless controls for additional savings