Fisher F22 Metal Detector with 11" DD Coil and Extra Free Gear XP Parts and Accessories Detecting around rocks Detecting around rocks or spending the weekend prospecting with family and friends TARGET CATEGORY ID X X X NUMBER OF TARGET CATEGORIES 9 9 9 TARGET ID CONFIDENCE INDICATOR DISCRIMINATION NOTCH LEVELS OF DISCRIMINATION ADJUSTMENT NUMBER OF AUDIO TONES 4 4 4 VARIABLE DISCRIMINATION TONE THRESHOLD SELECTABLE NOTCHING X X X GROUND BALANCE SYSTEM PRESET X X COMPUTER ASSISTED GROUND BALANCE X MANUAL X GROUND BALANCE ALL THE WAY TO SALT X INCORRECT BALANCE VISUAL INDICATION X SEARCHCOILS STANDARD 11" ELLIP 9" ELLIP 7" ELLIP INTERCHANGEABILITY BY LETTER A A A ACCESSORY SEARCHCOILS AVAILABLE 2 2 2 POWER SUPPLY 9V ALKALINE BATTERY 1 AA ALKALINE BATTERY 2 2 ACCESSORIES RAIN COVER AVAILABLE X X X ARM STRAP AVAILABLE X X X HEADPHONE JACK 1 4" X X X 1 8" WARRANTY YEARS 5 5 5 [ TABS] Substitutions of like or similar items may be made dependent upon availability