Teknetics Gamma 6000 Metal Detector - Excellent for the beginner all the way up to the pro, the Gamma 6000 uses a waterproof coil that stays water tight all the way up to the control box. The Gamma offers top end features at a mid level price. Organize up to 10 pre sets for your sensitivity. The Notch feature allows you to block out unwanted targets. Four tone options enable you to get a different tone depending on what your detector is picking up. Ground Grab mode gives you automatic ground balancing. Pinpoint made gives you the depth of your target in inches. A 11 inch search coil lets you cover more ground faster. Made in the USA. 80 Levels of Discrimination Adjustment; Motion All Metal Mode; Deep Search; 4 Tone Selection; Audio Pitch Proportional to Signal Strength; Mineralization Readout; Manual Ground Balance; Computerized Ground Grab; 11in Search coil;