4 Channel PoE Network Video Recorder SPEC: H.265+/H.265/H.264+/H.264, Up to 8MP resolution, Decoding capability/4-ch @4MP,80 Mbps Incoming Bandwidth(up to 4 channels),4× 10/100 Mbps PoE+ Ports, PoE Power 53W, 802.3 af/at,1× SATA Interface(up to 10 TB), 2× USB 2.0, 1× HDMI port(Up to 4K), 1× VGA port, 53.5V DC/1.31A?Built-In Speaker, HDD Quick Installation FEATURE:Auto Initialization, Smart Detection Configuration & Alarm, Two-Way Audio, Simultaneous Playback, ONVIF, Remote Monitoring, VIGI App, Web, VIGI Security Manager