Bounty Hunters Discovery 2200 Metal Detector features high-end features for the advanced user. Large easy-to-read LCD screen. Features nine-segment digital target identification, four-tone audio feedback and four sensitivity adjustments. Push-button discrimination and notch control. Very-low-frequency detectors are best for land use and require you to keep the search coil in motion in order to locate a target. Open 8 concentric search coil produces a strong signal received by the center coil. Discrimination mode allows you to block signals of unwanted items. Automatic ground balance adapts to ground conditions as you hunt. Low-battery indicator. Manufactuers limited five-year warranty. Made in USA. Batteries: Two 9 volt (not included). Application: Coin, relic, jewelry. Length: 44 to 51. Search coil: 8 waterproof open concentric. Frequency: 6.6kHz. Wt: 2.4 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Metal Detectors.