[High Sensitive] This metal detector pin pointer features a high-sensitivity 360side sweep and tip probe for fast and accurate positioning of objects. it can find coins, silverware, jewelry, gold, keys and other metal products under various conditions.[Easy Operation] Single button, when the metal object is detected, 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 feature helps the user determine the exact location of the target.[Waterproof] The needle pointer of the dust proof metal detector is partially waterproof. you can sink this part into the water to check for metal in the water. but cannot be completely put into water for use.[Easy Carrying] The metal detector pointer is powered by a 9V alkaline battery (including the battery), this pin pointer metal detector has a very small portable leather case, you can carry a metal needle pointer detector at any time, start treasure hunt anytime, anywhere, suitable for most people, children, men and the elderly.[Best Gift] As a safe metal detector, it is very suitable for most people's hand-held needle metal detectors. it can work widely in outdoor, indoor, beach, lawn or soil, leaving them interesting. childhood memories. free up your free time and take your kids to the outdoors for unforgettable treasure hunt.