Dahua XVR is a newly developed HD Video Recorder based on industry leading open structure to be compatible with multiple access technologies. It is the perfect solution to upgrade existing video surveillance systems. XVR supports 4 mainstream analog camera types in the market, not only traditional CVBS (analog) camera, but also HDCVI, AHD and TVI , as well as IP camera. Moreover, XVR recognizes the signal formats from camera automatically, including both Dahua camera and third party camera. True plug & play makes operation more users friendly and convenient. All these features make XVR a true Penta-brid video recorder.