The compact and lightweight Klondike Junior Metal Detector is the perfect choice as a child’s first metal detector. It is well suited for searching iron, gold, silver, aluminum, copper, platinum and brass. Adjustable arm guarantees a long service life and that the device is comfortable to use. The coil of the metal detector is watertight so it is not affected by small splashes. This metal detector operates on a single 9V battery (not included).