引言我们可以假定两种场景:(1)当你需要视频监控时,唯一需要做的就是购买1台网络摄像机(IP Camera),接入网络(有线或无线),然后剩下的事情就交给后端的服务商,你可以通过手机、平板电脑、台式机、笔记本电脑来直接访问网络摄像机,实现视频监视;而当你需要回放录像时,通过登陆服务商提供的视频服务器,就可以回放事先录制好的录像;当发生预设的报警条件时,你的手机、平板电脑会第一时间收到报警的视频。(2)当你需要安装门禁控制系统 Introduction We can assume two scenarios: (1) When you need video surveillance, the only thing you have to do is buy an IP Camera, connect to the network (wired or wireless), and then leave the rest Back-end service providers, you can directly access the network camera through mobile phones, tablets, desktops, laptops, video surveillance; and when you need to play back the video, you can log in through the service provider video server, you can play back in advance Good video; when the default alarm conditions occur, your phone, tablet will receive the first alarm video. (2) When you need to install access control system