CowboyStudio Professtional 100WSI Adjustable LED light 5500K with Internal Fan, 800W equivalent, LED100WSI 8000 Lumens at full power Variable power control Color Temperature: 5500K, Color Rendering Index (CRI): 85% Average Lifetime: 60,000 hours (7500 days @ 8 hrs./day), Bowen mount and umbrella mount for optional light modifiers (soft box, beauty dish, reflector, umbrella, drolly box, etc.) Built-in cooling fan, Fits standard light stands