A Hikvision NVR is a network video recorder made by Hikvision, a world leader in security solutions. It is a device designed to store video recordings obtained from security cameras connected to a network. The NVR decodes the video images and saves them on a hard disk. This allows you to view and analyze the images later. The NVR also offers many video management options, such as security, recording search and playback, and setting recording dates and times.

POE NVR stands for Power over Ethernet Network Video Recorder and is a recording and storage device for security cameras. It is specially designed to use POE technology, which makes it possible to send electrical energy and data to the cameras via a single Ethernet cable. This allows the cameras to be installed remotely without concern about the availability of a power outlet.