Pyle PHMD68 - Digital Metal Detector with Waterproof Search Coil Digital Control Box with LCD Display - Target 'Pin-Point' Detection Ability Built-in Speaker with Detection 'Ping' Alerts - Digital 'Metal Hit' Depth Perception Readout Adjustable Locating Arm Design (44'' - 54'') - 7.8'' Concentric Waterproof Submergible Search Coil Battery Operated: 6 x 'AA' Batteries, Not Included - Sensitivity & Pinpoint Detect Max Depth 8.0'' inches Adjustable Volume & 5-Level Sensitivity Settings - Headphone Jack (3.5mm)