High-Sensitivity Metal DetectorThe metal detector allows you to scan large areas quickly and then use precise positioning tips to narrow down and precisely locate the target before excavation. The rod probe design allows you to insert a hand-held metal detector into the hole for detection. Easy to useOne button, when the metal object is detected, the LED will light up. At the same time, there will be 'Bi-Bi' sound and vibration as an alarm. When the detector is close to the metal target, the intensity of the alarm will increase. This unique function helps the user to determine the exact location of the target. Easy to carry 1/3 the weight of traditional metal detectors. Equipped with plastic elastic roller belt, belt sleeve and handbag, easy to carry or hang on to prevent you from falling or dropping. Partially waterproofThe needle pointer of the dustproof metal detector is partially waterproof. You can submerge this part in the water to check if there is metal in the water. But it can not be used in water, switches and horns are not waterproof. Wide Application This metal detecting pinpointer can do various kinds of jobs such as finding coins, gold, silver, relics, jewelry to help you to easily find treasure or missing metal objects whether indoors, outdoors, in walls, sand, grass or soil, even in an extreme temperature range of -35F (-37C) to 158F