Smith-Victor LED Ring Lights are the perfect addition to your studio for both photographers and videographers as they provide soft, nearly shadowless illumination. The design helps to eliminate skin imperfections and makes the face of your subject to appear to have a fresh,clean look. The 19”uses 55 watts of energy. It features SMT LED’s with a color temperature of 5500°K using the standard diffuser and 3000°K with the tungsten diffuser and step-less dimming 10~100%) The built-in accessory shoe makes it possible, with an optional adapter, to mount a camera in the center of the ring.The Smith-Victor LED Ring Lights have a built in angle adjustment and will mount to any standard light stand up to a ⅝” spigot. It comes complete with a heavily padded, zippered carry/storage case.