The Panasonic WJ-ND200/240 is an industrial grade NVR capable of recording video streams received from 9 to 16 IP cameras over the network. The actual number of IP cameras supported depends on a particular network environment. High end CCTV establishments like banks, retail stores and government facilities will greatly benefit from its rich array of security enhancing features. These include MPEG-4/MJPEG recording options for versatile data management, alarm I/O ports for flexible handling of alarm events and image altercation detection to preserve the legal integrity of recorded material. Its most important asset however can be said to be its 2 hot-swappable drive bays. These provide an efficient method for upgrading storage capacity and for archiving recorded material.