NVR: is the abbreviation of network hard disk video recorder, and also uses hard disk as the storage carrier of video stream. It can only be connected to network video equipment, such as network cameras, DVR, and video server data; it is a video surveillance development process. The third generation of products is developed based on DVR. Home Security Mini Camera
It is designed for positioning network itself, has network functions, and realizes network transmission. The device can work independently, which can store video stream and cooperate with monitor, keyboard and mouse to realize most common WiFi camera 1080P hidden functions of video, such as: real-time browsing, historical playback, control operation and alarm processing. The access is digital video stream, which is also the mainstream device of the current video surveillance system. It is compatible with standard definition video stream and high-definition video stream, and many can also access 4K video stream. The compression encoding method of video stream supports H.264. and H.265 way. Secret Video camera