New System – System model: TC-404AHD-4A with 4CH HDMI AHD CCTV DVR recorder. 4ea camera’s see pic #6, remote, mouse &. IP67 for Full weatherproof outdoor condition. Underside of recorder states: TC-408T-US. XVR is NVR + DVR, which can be switched freely. X is generally used to represent the unknown, representing infinite possibilities. With a ...