Magnetic induction technology enables precise detection of iron based items such as needles, ensuring accurate localization of their exact positions. sensitivity and fast adjustment with audible and visual alarms, designed for prolonged use without overheating. Advanced imported digital chips provide stable, durable performance in a lightweight, portable and easy to operate device. Ideal for inspecting thin and small items, capable of pinpointing the exact locations of tiny ferromagnetic metal needles with precision. Benefits in brief Quickly finds hidden or buried needles and similar ferromagnetic items, reducing search time. Clear alerts (sound and light) help you identify targets even in busy environments. Lightweight and portable for on site or field use, with reliable operation over long periods. Key attributes Function: detects iron based items with magnetic induction for precise localization. Compatibility: suitable for locating small and thin ferromagnetic needles and similar items. Size and form: lightweight, portable design for easy transport and handling. Material and build: durable construction supported by advanced digital circuitry. Performance: sensitivity, rapid adjustment, stable operation, minimal overheating risk. Use scenarios Garment and textile inspection: quickly locate misplaced or buried sewing needles in fabric during production or . Jewelry and crafts inspection: find tiny ferromagnetic pins or needles embedded in materials to ensure quality and safety. Small parts manufacturing and QC: detect stray ferromagnetic fragments or needles in delicate assemblies to prevent defects.