If youre serious about hunting down hidden treasures, Teknetics Alpha 2000 Metal Detector has five sensitivity adjustments and eight segments of discrimination for fine-tuned performance. Its large, easy-to-read LCD screen and two detection modes All-Metal and Discrimination will have you zeroing in on buried metals with ease. The 8 concentric, open search coil is waterproof, so you can search along beaches and shorelines. Depth readout lets you know how hard youll have to dig. Preset ground balance. Low-battery indicator. Manufacturers limited five-year warranty. Made in USA. Batteries: one 9 volt (not included). Application: coin, relic, treasure. Length: adjusts from 41-51. Search coil: 8 concentric. Frequency: 7.69kHz. Wt: 2.3 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Metal Detectors.