This allows the user to have the PC in a different room from the TV. There are some drawbacks however. The DPG-1200 works only with PC's running Windows, so no Macs. One reviewer found that when used in wireless mode, signal quality suffered. The reviewer found the best results with static media like a web page, slides or photos.While the concept is good, one reviewer says the DPG-1200 is "more like a remote desktop projector for your PC."