With one-switch operation and ultimate sensitivity, the Super Scanner® V offers the ability to detect guns, knives, razor blades, box cutters, foil-wrapped drugs, and handcrafted weapons in mass-transit and prison screenings. It does not require adjustments, and can detect ferrous, non-ferrous, and stainless steel weapons, contraband, and other metallic objects. It offers an audible or vibrating alarm, as well as a red LED light to indicate the detection of metal.