UB800plus is a highly versatile walkthrough metal detector , with 33 zone and adjustable sensitivity making it widely used in airports, stations, shopping malls, and other security inspection places. this product. The detection structure uses electromagnetic field to detect the metal objects in the body. It consists of a host, a high-frequency signal generator, a signal receiver, and an infrared sensor. It uses sound and light to alarm indicate that the metal objects in the body exceed a certain amount. It is used for security inspection. It can speed up the detection efficiency during the project.