Frisker is a handheld, wand-shaped radiation detector, featuring digital display and an internal pancake Geiger-Mueller detector (Geiger Counter). This detector is used for general purpose survey in laboratory use, nuclear power plant frisking, emergency response, border patrol, customs inspections, airport security, and other applications. It detects alpha, beta, gamma, and X-ray radiation. Efficiencies vary, depending on energy and isotope.