Great for beginners, Bounty Hunters VLF 2.1 Metal Detector features basic technologies that start you off right. Very-low-frequency detector is best for land use and requires you to keep the search coil in motion in order to locate a target. All-metal discrimination allows you to block signals of unwanted items. Easy-to-read analog display and sensitivity adjustment. Automatic ground balance adapts to ground conditions as you hunt. Manufacturers limited one-year warranty. Batteries: Two 9 volt (not included). Application: Coin, relic, jewelry. Length: 21 to 32. Search coil: 6 weather-resistant. Frequency: 6.6kHz. Wt: 2.9 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Metal Detectors.