The top model in Fisher Labs F series, the F44 Weatherproof Metal Detector delivers in the toughest weather conditions. A great tool for hunting in the nasty weather, this detector gives weekend treasure hunters top-of-the-line search features and performance in a lightweight unit. Combining 5 operation modes (jewelry, coin, artifact, custom, and all metal) with 20 levels of adjustable sensitivity and a Pinpoint mode, this detector helps you zero in on your target. Ground Grab Computerized Ground Balancing and Manual Ground Balance help you narrow your search and eliminate unwanted results. The F44's detailed and backlit visual display includes a large Numeric Target display with up to 99 options, a 9-segment visual target ID display, and Iron Identifier icon to help you filter out unwanted hits. A 4-Tone Audio ID system with 20 levels of adjustable volume and a Fe-Tone adjustable iron audio feature further help you zero in on your targets. A great choice for beach hunting, coin shooting, jewelry hunting, and relic hunting, the F44 combines a 7.69 kHz. operating frequency with a waterproof 11" concentric elliptical searchcoil for great sensitivity and performance. Non-volatile memory saves your preferred settings for future uses. Runs on 2 AA batteries (not included). Mfrs. 5-year limited warranty. Weight: 2.3 lbs. Manufacturer model #: F44. Top-of-the line, weatherproof, multi-purpose metal detector Great for weekend coin and relic hunters 5 operation modes - jewelry, coin, artifact, custom, and all metal Ground Grab Computerized Ground Balancing Manual Ground Balance Easy to read visual display - backlit for low light use 99-option Numeric Target display, 9-segment target ID display, and Iron Identifier icon 4-tone audio ID 20 levels of adjustable volume Fe-Tone adjustable iron audio feature Pinpoint mode 7.69 kHz. operating frequency 20 levels of adjustable sensitivity Waterproof 11" concentric elliptical searchcoil Saves your preferred settings for future uses