Excellent depth penetration, rugged design and peak performance are proven features of the ACE 250. A touch of a button activates the One-Touch power. Automatically adjusts for ground minerals. Five search modes all-metal, jewelry, custom, relics and coins. Program the custom mode by modifying the notch discrimination settings. Graphic Target ID has 12 segments. Pinpoint push-button determines the exact location of a target. Continuous coin depth indicator shows depths of 2", 4", 6", 8"+ on the LCD screen.