Advanced magnetic induction technology This handheld portable needle detector uses cuttingedge magnetic induction technology to accurately detect needle locations and metallic items. Multifunctional design Features sensitivity and rapid adjustment capabilities, with both audible and visual alerts for easy monitoring. It operates continuously without risk of overheating or overloading. Exceptional performance Powered by quality imported digital chips, the detector delivers stable and reliable performance. Its lightweight design enhances portability and sensitivity for precise results. Broad application scope Specifically engineered for thin components, this device excels at locating small ferromagnetic metal objects, such as tiny needles, with exact precision. Use scenarios In sewing and textile operations, quickly locate dropped needles hidden in fabric folds to prevent injuries and fabric damage. In medical linen handling or hospital settings, detect stray needles in linens or garments before processing or disposal. In electronics assembly or workshop environments, locate small ferromagnetic pins or fragments within components or enclosures to ensure safety and quality.