XAR-UAB is a precise meter that measures ultraviolet UVA and UVB radiation. It measures UVA and UVB light from natural and artificial light sources used in laboratory/research, industrial, education, electronics applications. Applications include: Testing Window Film / Tint Transmission; Monitoring Low Level UV from Household Lamps; Testing Ground level UV From Stadium Lighting; Testing Ground level UV From Stage and Theater Lighting; Measuring Outdoor UV Including Shady Area UV; Monitoring UVA Lamp Intensity and Aging; Monitoring UV LED (<360 nm);Testing UVA In Industrial Glue Curing. Power Supply Four AA Alkaline Batteries; Dimensions 75x165x25 mm (2.95x6.49x0.98”); Weight 118 grams (4.16 oz.) without batteries; MATERIALS SUPPLIED : XAR-UAB UV AB Light Meter; Protector Bag; English User Manual; Four AA Alkaline Batteries.