Hikvision DS-7716N-E4/16P HDMI 16ch PoE NVR 5MP 3MP Video Recorder for PoE Cameras 4*SATA Network Interface: 1 x RJ-45 Video Output: 1 x VGA, 1 x HDMI Audio Input: 1 x RCA Compression Format: H.264+ Recording Type: Motion Detection, real-time record Remote: iPhone, Android Memory: Hard drive( HDD) Operating System: Windows 10, windows 8, windows 7