The attached orange viewing plate allows for convienence and efficiency when searching for evidence. The ORION-LITE 455nm features a powerful blue illumination that is powered by the two included 3V lithium batteries. This light is ideal for both field and lab use. The ORION-LITE allows for the detection and photography of body fluids, fluorescent powders, dye stains, bones, and trace evidence. The hand-held unit is constructed of aluminum and features a tail-cap power switch. This is the perfect light source to outfit your entire department or agency. Includes a compact plastic case, photo scales, and extra batteries.