Is classroom monitoring open in Zhengzhou University?

The classroom monitoring of Zhengzhou University is open, but the university monitoring will not always stare at it, only after the incident. If someone keeps watching, there will be no theft of computers or mobile phones in the classroom. The system provides three recording strategies: default, custom and intelligent. Provide a series of management functions such as regular uploading and backup of video data files, retrieval and query; In response to the user's request for video files on demand, authorized users can watch or download the files online. Generally, the storage time of surveillance video is between one month and three months.