FULL HD 1080p 4 CH NVR, 4x POE ports, 2x USB, HD and VGA Output up to 1920*1080P, ONVIF support, Live streaming to Android & iOS devices, 1x SATA HDD support up to 6 TB, Third-party Network Cameras Supported, Up to 2MP Resolution Recording and Playback, max. recording resolution: 1920×1080, H.264 compression method (NVR2004PGHP)