DESC: Features All-terrain ready with "Accu-Trak" Digital Ground Balance featuring selectable Fixed and Automatic Tracking options Maximized Depth and Sensitivity- even in mineralized soils with the Ground Tracking All Metal Mode Zero in on your targets with the Selectable Pinpoint Mode Silent Search/Threshold switch 2-Band Noise Cancel switch Advanced Discrimination and Notch Filtering for the elimination of trash targets Balanced deluxe shaft Waterproof 10-in Tornado coil Length Maximum: 55 in Minimum Length: 38 in Tornado 1000 Slimline Coil: 23 oz Configuration: 2-piece shaft and optional Hip mount Technology Broad Band Spectrum (BBS) Transmit Frequency: 17 Frequencies (1.5, 3, 4.5....25.5 kHz) Ground Balance "ACCU-TRAK" Automatic Ground Tracking Battery System: Alkaline 8 x 1.5V (AA) or NiMH battery pack (12v; 1000mAH) Audio Loudspeaker and 1/4-in headphone jack On/Off Volume: 1 turn knob Sensitivity: 1 turn knob Threshold: 1 turn knob Discr