The Spectronics CM-10A portable fluorescence analysis cabinet works with Spectroline 4W, 5W, and 6W E-series ultraviolet lamps (sold separately). It measures 6.5 x 12 x 9 inches/16.5 x 30.5 x 22.9cm (H x W x D, where H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back).