NVR1218 PC-and-Fan-less Live-view & all-in-one, and energy efficient private surveillance solution / 1 x HDMI Video Output / 1 x USB3.0 / 2 x USB2.0 / 1 x eSATA / 2 x 3.5mm stereo audio jack / 1 x COM port for POS system connection / 4 Licenses are preinstalled & allow to add additional up to 12 licenses.