Neewer 200W 5600K Bowens Mount Photo Studio Flash Speedlite Strobe Light Monolight 10MM Speedlite tube, light intensity improved by 20%. Life extends to more than 150 thousand times. Bowens mount design, compatible with many other accessories like softbox, barn door, snoot, beauty dish and so on. Convex speedlite tube makes the light wider and more homogeneous Equipped with Rubycon Capacitor, low impedance, high ripple, long life. NOTE: Barn door NOT included!