HDView 12 Channel Security DVR NVR: 8 Channel HD DVR (TVI/AHD/CVI/960H) Cameras and 4 Channel NVR (ONVIF IP Camera), Surge Protection CoC Commercial Grade 8 Channel 5 in 1 DVR (TVI, AHD, CVI and 960H), please switch to the right mode to match your camera, Support 5M, 4M, 3M TVI/AHD/CVI cameras, recording up to 5MP Lite Resolution 4 Channel IP NVR (Support ONVIF Version 2.3 and Profile S IP Cameras), Compatible with HDView IP Cameras (Up to 5MP) Audio In/Out: 1CH/1CH, 2 Way Audio Video Output: HDMI/VGA/CVBS, Advanced Mobile Phone App H.265 Compression, save 60 percent of hard drive space. (No Hard Drive included), No POE ports to power up IP cameras (you need external poe switch or 12V DC for IP cameras)