The BizView USB 2.0 External Video Display Adapter Pro from Diamond enables you to add more displays to your laptop or PC. It can support up to six displays, one adapter per display. This stand alone device provides a 1080p output picture resolution and features a DDR memory interface to achieve superior performance. Moreover, it supports high definition displays with resolution of up to 2048 x 1152. It features a USB 2.0 interface and is compatible with all flat panel and CRT monitors of standard and wide screen ratios. With USB graphics, there is only a 22% increase in power usage over a single display configuration. It is DisplayLink certified and is fully compatible with Windows XP, Windows Vista and Mac OS X.