Uncover lost treasures with Bounty Hunters Commando Metal Detector. It detects coins, jewelry, relics and more. All-metal mode picks up every metal object, and discrimination mode filters out trash, so you can focus on finding treasures. Also features VLF technology, waterproof search coil, analog display, analog sensitivity adjust, analog discrimination and automatic ground balance. Shaft adjusts from 44 to 51. Low-battery indicator. Manufacturers limited five-year warranty. Made in USA. Batteries:two 9 volt (not included). Application: coins, relics, jewelry. Length: 44-51. Search coil:Open waterproof 7 concentric. Frequency: 6.6kHz. Wt: 2.6 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Metal Detectors.