The product is mainly used for inspecting passengers and their luggage items.It is a single-gate passage and the currently most frequently used interception passage of customs as well. At its exit gate at its tail, it intercepts the passengers with suspicious luggage items accurately with help of the FRID technology by giving an audible and visual alarm automatically. It is internally provided with a manual reset button.It is safe and stable and has multiple anti-pinching measures for safe customs clearance of passengers. After detecting any passenger with any contraband or attempting to pass the customs forcedly, it can give an audible and visual alarm automatically to reduce the security hazard; it improves passengers¡¯ customs clearance efficiency; it has quick and convenient operation and a high accuracy rate, saving the labor cost and reducing the work pressure of customs officers.