This series of products combines the functions of metal detectors and weight detectors. It conducts metal detection (such as iron, non-iron, stainless steel, etc.) and weight detection (overweight, underweight) on packaged products, and automatically removes products with substandard weight and foreign objects from the production line. It is the most effective solution for end-of-line detection and quality control on the production line. It is applicable to industries such as food, medicine, chemical engineering, rubber, clothing, and daily necessities.