The mounting dimensions of gear reducer are fitted to the servo motor that you need for ordering informatin.

减速机后端之，合实际安装之伺服马达之。

This system can note the cars’ peccancy informatin,help police to manager the peccancy informatin and punish the drivers make the traffic become well.

本系统可以帮助警察记录和管理车辆的息，并且可以将息进行公告、处罚，以便使道路交通更加畅通。