What is the warning light on the belt of Beijing traffic police?

Does the subject want to ask "What is the warning light on the shoulder strap of Beijing traffic police"? Warning light. According to the information of the traffic police warning light, the warning shoulder light is a warning device that uses led lights to provide security warning and deterrence for police officers. It consists of a shell, a circuit board, an led lamp, a clip and a battery. When in use, it is clipped on the epaulettes of road traffic law enforcement, road sanitation, road construction and other personnel, and adopts high-brightness led active light source to improve the warning effect. The Beijing Traffic Police System officially launched the dual-function flashing shoulder lights, which made the traffic police's law enforcement posts more eye-catching. The police shoulder lamp issued this time was produced in Jinyong, Zhejiang. This kind of shoulder lamp is small in size, but very practical. It can ensure the visibility within the fog 100 meters, play a good warning role, and increase the safety of front-line law enforcement personnel.