People screening can visually display information based on the doorpost lights on both sides of the area where the prohibited item belongs. People screening can conveniently and reasonably check the illegal equipment and electronic components such as controlled knives and firearms, copper, tin, zinc

People screening is a detection device that detects whether people are carrying metal objects, also known as archway metal detector. The people screening is to use this scientific principle to detect whether there are metal objects on the body of the person passing the detector, such as knives, weap