The Teknetics (R) Alpha 2000 Metal Detector is designed to turn on and go, while providing a preset ground balance that automatically filters out minerals in the ground. Six levels of adjustable discrimination and category notch selection help you zero in on your targets and three-tone audio provides reliable feedback. The Alpha 2000 also features an on-screen menu and a numerical depth indicator. FEATURES: Designed to turn on and go On-screen menu Numerical depth indicator Category target identification Six levels of discrimination and category notch allow you to zero in on targets Three-tone audio provides reliable feedback Preset ground balance automatically filters out minerals in the ground