EUROLITE Diffuser Cover 80° for LED PST-40 QCL Spot is a separately sold frost filter designed for the LED PST-40 QCL Spot. It softens and homogenizes the fixture’s light output while providing an 80° beam angle. The diffuser cover measures 12.0 cm in length, 10.8 cm in width and 0.3 cm in height, with a weight of 0.03 kg. No electrical, control or power-related specifications are stated.