Handheld Needle Detector, High Sensitivity Broken Needle Detector Machine, Sound and Light Alarm Detection, High-low Sensitivity Switching, for Knitting, Cloth, Shoes and Hats, Bedding, Leather

【Magnetic induction principle】The handheld portable needle detector uses the magnetic induction principle to effectively and accurately detect the specific iron position of needles and other items. 【Multifunctional】It has high sensitivity, quick adjustment function, and audible and visual alarm function. It can work continuously for a long time without heating or overloading. 【High performance】Using high-end imported digital chips, the performance is more stable and durable, simple to operate, light weight, easy to carry, and the detector has high sensitivity. 【Applicability】Suitable for thin parts, ideal for testing small items, accurately finding small ferromagnetic metal needles or the exact location. 【Other uses】he Handheld Needle Detector is a high accuracy metal detector that can detect even the smallest metal objects like broken ends of knitting, clothes, socks, clothing, leather, and leather shoes.