Finds Precious Metals & Treasures Buried Underground Differentiates Between Precious Metals & Lesser Metals 3 Operating Modes To Distinguish Between Metals 2-tone Signals To Differentiate Between Metals Automatic Ground Balance Adjustable Sensitivity & Discrimination Top-mounted Control Box With View Meter Target Pinpoint Ability With Easy Pinpoint Button Comfortable Arm Support Disassembles For Easy Transport and storage 6.5" Waterproof Submergible Search Coil Low-battery Indication 3.5mm Headphone Jack 1.2" Speaker For Audio Detect Option Requires 6 AA Batteries Weight: 4.7lbs