How to use? 1. Insert the battery, turn on, the machine's LED indicator lights up. 2. Near metal, the machine will be triggered. 3. When the machine is in static mode, moving metal will trigger a machine alarm once. Key features: Self-adjusting... Microprocessor circuitry ensures maximum sensitivity without any adjustment required. The PRO-POINTER does not interfere with your metal detector's pinpointing tip and 360-degree side-scan function in one locator. The user manual provides simple advice on the special locating features of this amazing detector. The LED flashlight helps with recovery in low light. 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. Scraping blade to sift the ground when retrieving the target. Waterproof... The PRO-POINTER can be washed under running water or used in the rain. Proportional audio/vibration pulse rate Controls: Power switch Dimensions: Length 23.2 cm Thickness: 4 cm Battery: Single 9V (not included) Battery life: Carbon: 16 hours Alkaline: 30 hours Rechargeable: 8 hours What's included: 1 x Garrett handheld metal detector Battery not included WANAN