Garrett's handheld Super Scanner's 9" swath permits rapid and accurate scanning without body contact. Metal objects as small as a coin can be detected on a person through heavy clothing, and in more difficult places such as body cavities No tuning required Adjustable control allows operator to lower the sensitivity level of the scanner Rugged thermoplastic handle has a secure grip and convenient wrist strap Power switch allows both momentary and continuous operation up to 80 hrs Includes a 9V battery Measures 16"L Weighs 18 oz.