Pyle PHMD72 - Treasure Hunter High Power Digital Metal Detector with Waterproof Search Coil, Adjustable Sensitivity, Discrimination and Headphone Jack Locating Sensitivity & Pinpoint Detect Max Depth 9.0'' inches - Adjustable Volume & 8-Level Sensitivity Settings Effectively Finds Gold, Silver, Iron, Coins, Jewelry & More - Digital Control Box with LCD Digital Display Target 'Pin-Point' Detection Ability - Battery Operated: Requires: 4 x 'AA' Batteries (Not Included) Adjustable Arm Design (44'' - 54'') - 7.8'' inch, Concentric Waterproof Submergible Search Coil Built-in Speaker with Detection 'Ping' Alerts - Digital 'Metal Hit' Depth Perception Readout