The F44 is a high-performance metal detector designed for all-weather use. It features a weatherproof 11″ DD elliptical open coil and a backlight for low-light conditions. The Fe-Tone adjustable iron audio allows you to set the volume of ferrous targets lower than non-ferrous targets for increased clarity. The Ground Grab computerized ground balancing and manual ground balance options make it easy to tune to the soil. The F44 has 4-tone audio ID, 9-segment visual and numerical Target-ID, and 5 modes of operation. The static pinpoint, adjustable sensitivity and volume, and custom mode make it easy to use for both novice and experienced hunters.