Ideal for the intermediate relic hunter, Teknetics Delta 4000 Metal Detector has nine sensitivity adjustments and eight segments of discrimination for fine-tuned performance. Plus, its two different search coils ensure that you wont miss a thing. The large, easy-to-read LCD screen and three detection modes All-Metal, Discrimination and Pinpoint will have you zeroing in on buried metal like a pro. Depth readout lets you know how far 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 coils: 8 open and 10 DD closed. Frequency: 7.69kHz. Wt: 2.3lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Metal Detectors.