Send crisp, clear images from your PC to multiple displays for trade shows, training, even public information systems. Broadcast your PC monitor displays on four monitors up to 210 feet (64 m) away. Great for presentations, trade show or point of sale displays, or for displaying multimedia video to large audiences at sales or training meetings. Black Box AC1056A-4 Compact Video Splitter is one of many Switchboxes available through Office Depot. Made by Black Box.