New 8 Channel 1080P Swann security system Install Review u0026 Unboxing

Working Temperature -13°F122° F(-25° C 50° C). This 8 channel DVR supports CVBS, HD-TVI, CVI, AHD Camera so that you can add more 4pcs cameras to update it to 8 cameras. Connect the Router to DVR LAN port with Network cable provided.