家庭视频监控系统是一款可以随时随地对监控地点进行监控的软件系统，非常适合初学者-Is a home video surveillance system from anywhere on the monitoring sites to monitor the software system, is ideal for beginners

这是关于一个视频监控的软件。使用dvr来完成监控(This is about a video surveillance software.Use DVR to monitor)