Product - GPZ 19 Application - Gold Prospecting (Waterproof coil to 1m/3ft) Technology - ZVT, Super-D (1 × Tx and 2 × Rx windings) Length - 19" × 18" (480mm × 457mm) Weight - 1.83 kg (4.03 lb) Warranty - 3 years Product Information Page http://www.minelab.com/usa/accessories-1/gpz-19-1 “The GPZ 19 is deceptively stable and quiet... I recovered a 15 ounce nugget, really deep!” “Working my way back up a creek, I found many ounces of weighty