Despite the rapid socio-economic development today, in a peaceful environment, the internal security environment is often affected by terrorists and other insecurity factors, putting us in a dangerous environment. Therefore, in this case, a large investment in security inspection device is very important. Through the use of security inspection device, security can be better carried out, and the safety of public places can also be improved. So, what are the existing security inspection device? Can security inspection device develop better at present? Let's give you a brief introduction.