●The Barn Door is fixed on standard reflector. With 4pcs leaves for either correct the light balance or create dramatic lighting effects. ●The Honeycomb designed is to give you ultimate control on the direction of your light. It will emit a beam of light precisely where you aim,used to Produce Parallel Light, and Parallel Light can Create a Clear Shadow of the Boundary. ●4 different colors—Red,Yellow, Blue and Green ●These devices alter the shape, intensity, or color of the light output from your flash heads.