Fisher F75+ Metal Detector Bundle Package Features Boost Process substantially increases depth under most conditions Lightest and best balanced of all high-performance metal detectors; Best Ergonomics in the Industry Powerful Performance Trigger-Actuated Target Pinpointing with Variable Audio Pitch Ability to activate and deactivate DST Mode (Digital Shielding Technology) for the ultimate in EMI Suppression FA (Fast Process)  Improved Target Separation Three new levels of FeTone: Iron Audio Off, Low or Medium (complements existing High setting) Adjustable Audio Pitch now in the Discrimination Mode Embedded Serial Number  Serialization now stored electronically Fisher F75 Advanced Visual & Audio Target ID Metal Detector The Ultimate Detector! The metal detecting industrys premier relic hunting and general purpose metal detector Lightest and best balanced of all high-performance metal detectors; Best Ergonomics in the Industry Powerful Performance Trigger-Actuated Target Pinpointing with Variable Audio Pitch Large LCD Screen with 0-99 Numeric Target Identification Display Double-Filter Discrimination Modes for Searching in Trashy Areas Magnetic Mineralization Bar Graph and Readout Trigger-Actuated FASTGRAB Ground Balance Manual Ground Cancellation Option Non-Volatile Memory Saves Settings Backlight  For Low Light Hunting Conditions Low Operating Cost  Typically 40+ Hours with 4-AA Alkaline Batteries 11 DD Waterproof Search Coil included