XVR301-16Q3 Digital Video Recorder Support Ultra 265/H.265/H.264 video formats Support audio over coaxial cable(only for TVI cameras) Control the dual‑light of UNV analog cameras under TVI Support TVI, AHD, CVI, CVBS, IP cameras with adaptive access 16‑channel BNC input Support 1‑ch CVBS output, 1‑ch VGA output, 1‑ch HDMI output at up to 4K(3840 x 2160) HDMI and VGA simultaneous output Long transmission distance over coaxial cable Support mainstream cameras of ONVIF and RTSP protocols