How to use? 1. Insert battery, turn on power, the machine's LED light will illuminate. 2. When close to metal, the machine will alarm. However, it is not a continuous alarm. 3. When the machine is in static mode, moving metal will trigger the alarm once. Key Features: Automatically adjusts. Microprocessor circuitry ensures maximum sensitivity with no tuning necessary. The PRO-POINTER does not interfere with your metal detector. Pinpointing tip and 360-degree side scanning capability in one pinpointer. Owner's manual offers easy tips on special pinpointing abilities of this detector. LED flashlight assists in low light condition recoveries. Woven belt holster is included to secure PRO-POINTER to standard size belts. Utility uses: Search walls and tight spaces for caches; find metal pipes in walls or nails in drywall to locate studs; check wood for nails before cutting with expensive tools. Scraping blade to sift through soil during target recovery. Water resistant: PRO-POINTER can be washed in running water or used in the rain. Specifications: Operating Temperatures: -35°F (-37°C) to 158°F (70°C) Operating Frequency: 12kHz Indicators: Proportional audio/vibration pulse rate Controls: Power switch Dimensions: Length 23.2cm, Thickness 4cm Battery: Single 9V (not included) Included: 1 x Garrett Hand Held Metal Detector Battery not included