The ARM Electronics DVR4160GCD delivers powerful DVR performance in a unit that is low-profile, easy-to-use and also reasonably priced. Residential and commercial applications alike will greatly benefit from its wealth of advanced features and functions. These include a built-in multiplexer for simultaneous viewing, recording and playback, a network connection for remote Internet access and a built-in CD burner to facilitate the quick retrieval and archiving of event footage. Also available is an RS-485 communication port for controlling the PTZ functions of a compatible dome camera.