Dual stream digital 4 ch videorecorder with H.264 compression. Linux O.S. based with user graphic interface with icons and control through the mouse supplied. It allows the recording real time (25Fps per channel) of 4 cameras with D1 or 960H resolution, it has a 3.5"" OR 2.5"" SATA port per HDD (max capacity 4TB), 2 USB ports per mouse and back-up, VGA and BNC video outputs. Product available until stock lasts. Even though the dimension is extremely compact, the product guarantees all the basic functions necessary for a modern videosurveillance installation, remote connection through PC (Internet Explorer) included, MAC (Safari) and 3G mobile device (iPhone, iPad, Android). Modern and essential design allow the installation everywhere. Product available unitil stock lasts.