"The Minelab Gold Monster 1000 Metal Detector offers fully automatic operation that turns gold-seeking beginners into experts. Its high-performance tool set includes Automatic Noise Cancel, Automatic Easy Trak Ground Balance, and 11 levels of Automatic Sensitivity adjustment (12 levels in Auto+ mode) in addition to manual mode. The ultra-wide 45kHz VLF dynamic range provides powerful detection modes for gold (with iron reject) and deep all-metal, backed by a Gold Chance Indicator discrimination display. Monochrome LCD for easy readability. Extendible shaft (37""-54"") with GM 05 Double-D 5"" search coil. Adjustable audio output via internal speaker or headphones (not included). Runs on rechargeable lithium ion battery (included) or 8 AA batteries (not included). Weight: 2.94 lbs. Mfrs. 2-year limited warranty on control box and coil. Easy-to-use detector for beginning gold-seekers Fully automatic operation Automatic Noise Cancel Automatic Easy Trak Ground Balance Automatic Sensitivity adjustment (up to 12 levels) Manual sensitivity mode Ultra-wide 45kHz VLF dynamic range Detection modes for gold and deep all-metal Gold Chance Indicator (with iron reject) Monochrome LCD Extendible shaft (37""-54"") GM 05 Double-D 5"" search coil Adjustable audio output Uses rechargeable lithium ion battery (included) Can also run on 8 AA batteries (not included)"