Start your young treasure hunter off right with Bounty Hunters Junior T.I.D. Metal Detector. Very-low-frequency detector with a 6 concentric coil is best for land use and requires your child to keep the search coil in motion in order to locate a target. All-metal discrimination allows them to block signals of unwanted items. Automatic ground balance adapts to ground conditions as your little one hunts. LCD target readout is easy to read. Shaft adjusts between 19 and 31 to ensure the perfect length. Low battery indicator. Manufacturers limited one-year warranty. Made in USA. Batteries: Two AA alkaline batteries (not included). Application: Coin, Relic, Jewelry. Length: 19 to 31. Search coil: 6 concentric. Frequency: 7.69kHz. Wt: 1.75 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Metal Detectors.