4 Channel PoE Network Video Recorder- Built in 2TB HDD. 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, Max Output 53W, 802.3 af/at,1 SATA Interface(up to 10 TB, Built in 2TB HDD), 2 USB 2.0, 53.5V DC/1.31A, 1 VGA port & 1 HDMI port(Up to 4K)(Synchronous Outputs). FEATURE: Auto Initialization, Smart Detection Configuration & Alarm, Two-Way Audio, Simultaneous Playback, ONVIF, Remote Monitoring, VIGI App, Web, VIGI Security Manager