holder.In the previous introduction, we often mention the pan-tilt, but some people do not have any perceptual knowledge of it. In fact, the pan-tilt is an installation platform composed of two AC motors, which can move horizontally and vertically. What w
2023-12-20
When you drive, you see all kinds of cameras, there are square cameras, there are round cameras, there are flashing cameras, so what is the use of these cameras? They have different functions, different responsibilities, and each does its own job. Today w
2023-12-20
Monitoring system is one of the most widely used security systems, and now the more suitable site monitoring system on the market is handheld video communication equipment, video monitoring is now the mainstream. From the earliest analog monitoring to the
2023-12-20
Data sharing, synthetic operations, efficient research and judgment, rapid response... Xixia District Public Security Bureau has always taken science and technology as an important means of investigating and solving cases in the new era. As the Internet r
2023-12-20
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