DVI Link's 4:1 DVI switch allows four different digital video sources to share one video display. Our unique switch allows easy switching between four different digital video sources with remote control unit or with a manual switching button. Perfect for home theater systems. No more hassles of manually plugging in different DVI connectors to view up to four different video sources (for example: DVD, Satellite receiver, computer).   Applications Easy switching between four digital video sources(for example: DVD player, Satellite receiver and computer) using remote control or the switch button on the switch. Intuitive LED Display of video source integration. Low cost solution for home theater integration. Plug-and-play. No software installation. Installs in minutes. Built-in RS-232 port for remote installations control. HDCP Compliant   Connection Features   Technical Information Frequency Bandwidth: 1.65 Gbps (single link) Video Resolutions:Up to UXG(1600*1200),1080i,1080p Supporting Graphic Resolution: Upto UXGA (1600 x 1200), 1080i, 1080p Inputs: Four DVI-D Female ports Power supply adapter: DC 5V, 2A Power supply adapter Included IR Remote Control Unit Included