Iomega 12TB PX4-300D 4-Bay Server Class Network Video Recorder Stand-alone solution - no need for a server/host for running the Video Management Software, as it is included on the Iomega Network Storage device. Easily set up the recordings and configurations directly on the NVR Simple Installation and Configuration VGA display support Audio recording supported, Two- way audio supported on selected brands Seamless integration with different makers of H.264, MPEG4, MJPEG IP & USB cameras