In-vehicle video surveillance is a new type of video surveillance equipment specially designed for in-vehicle security. It adopts embedded processor and embedded operating system, and combines the latest H.264 audio and video compression/decompression technology, GPS global positioning technology, 3G wireless communication technology, USB communication technology, and advanced vehicle power management technology in the IT field. , GIS geographic information technology, suitable for 24-hour monitoring of various types of vehicles. The product can perform simultaneous audio and video recording, global positioning, and wireless audio and video real-time transmission. At the same time, a variety of interfaces are reserved on the host, which can be connected with on-board equipment such as on-board display, IC card on-board machine, signal priority control system, and passenger flow statistics system. Fully consider the expansion needs of users. The appearance of the product is small and concise, low power consumption, no noise, flexible and convenient installation, and stable system operation. tool. Vehicle positioning monitoring function: The terminal receives the current GPS positioning information of the vehicle in real time through the GPS receiving module, and sends the positioning information to the center through 3G according to the set time according to different situations. The monitoring center can store the running track of the vehicle, and the user can query it at any time.