Offering unmatched quality Personal Safety Products, Portable Door Frame Metal Detector has five digit counter, auto calibration, microprocessor controlled induction loop, effective IR sensor, etc. About National Safety Solution We have established ourselves as a highly reliable manufacturer, supplier, trader and exporter of an unmatched array of Safety Products that include Personal Safety Products, Protection Against Industrial Hazards, Respiratory Protection, Road Safety Products, Fire & Heat Protective Wear, Welding Goggles,Fire Fighting Equipments,Personal Safety Equipments