How to use? 1. Insert the battery, power on, the machine LED indicator lights up. 2. Near metal, the machine will trip. 3.When the machine is in static mode, Move Metal will trigger a machine alarm once. Key Features: Self-Adjusts... Microprocessor circuitry ensures maximum sensitivity with no adjustment required. The PRO-POINTER does not interfere with your metal detector's locating tip and 360 degree side scan capability in a locator. The user guide offers simple advice on the special locating capabilities of this amazing detector. The LED flashlight helps recover in low light conditions. A woven belt holster ... is included to attach the PRO-POINTER to standard sized belts. Useful applications...Look for caches in walls and tight spaces...find metal pipes in walls or nails in drywall to locate studs...check wood for nails before cutting with expensive tools. Scraper blade for sifting the ground when retrieving the target. Waterproof... PRO-POINTER can be washed under running water or used in the rain. Proportionalaudio\/ibrationpulserateControls:Power switchDimensions:Length23.2cmThickness:4cmBattery:Single 9V (not included)Battery life:Carbon:16hrsAlkaline:30hrsRechargeable:8hrsWhat's included:1 x Garrett handheld metal detectorBattery no includedWANAN