Finds Precious Metals & Treasures Buried Underground Differentiates Between Precious Metals & Lesser Metals Adjustable Sensitivity & Discrimination Lightweight Design Eliminates Bulky Control Housing Target Pinpoint Ability With Easy Pinpoint Button Comfortable Arm Support Disassembles For Easy Transport and storage 7.8" Waterproof Submergible Search Coil motion Sweeping Detection Capability For Covering Large Areas operating Environments Include Land Seaside River Rain Shallow Water & More Weatherproof Low-battery Indication Included Headphones Have Built-in Detection Circuitry Easy-access Controls Located On The Side Of Headphones 3.5mm Headphone Jack 1.2" Speaker For Audio Detect Option Requires 6 AA Batteries Weight: 4.8lbs Adjustable Length: 39.4" - 47.3"