Fisher Weatherproof Metal Detector Black Standard. It has superfast retune speed with excellent target separation and easy to use Discrimination Sensitivity Notch and Pinpoint features. Fe-Tone adjustable iron audio allows you to set the volume of ferrous targets lower than the volume of non-ferrous targets for increased clarity on desirable targets. Easily identify buried targets with the 9-Segment Target Categories and a 0-99 numeric Target-ID enhanced with 4-Tone Audo-ID System. Custom made to allow users to set their own tones. Go ahead get it wet The F22 can handle almost any environment Specifications for Fisher F22 Weatherproof Metal Detector: Manufacturer: Fisher Included Accessories: Standard Finish: Black Battery Type: AA Alkaline Battery Life: 25 - 30 hours Battery Quantity: 2 Features of Fisher F22 Weatherproof Metal Detector Visual Target-ID by Category Operates on 2 AA Batteries (25-30 Hours) Fe-Tone (Adjustable Iron Audio) Iron Identifier Icon 9-Segment Visual Target-ID Large 2-Digit 1-99 Numeric Target-ID 4 Modes of Operation: JEWELRY COIN ARTIFACT CUSTOM Pinpoint 10 Levels of Adjustable Sensitivity 20 Levels of Adjustable Volume 4-Tone Audio-ID Non-Volatile Memory Saves Settings 9-Inch Concentric Elliptical Waterproof Searchcoil Ultra-lightweight Only 2.3 lbs. Operational Weight Operating Frequency 7.69 kHz Package Contents: Fisher F22 Weatherproof Metal Detector Fisher F22: F22 Weatherproof Metal Detector Black Standard