The Tracker IV metal detector comes with a Pinpointer and a detection range of 7". 8" Waterproof Coil and battery is 9 Volts. Detects all metal, from relics, coins and household items to silver and gold. Switches between Discrimination; All-Metal and Tone mode with a toggle switch. Length of Detector adjusts from 44" to 51". The Tracker IV detects in all soils; through dirt, rock, mud, clay, wood, and the coil can be submerged in water.