Quad HD-SDI Capture Card for Telestream Wirecast Pro. Create video streaming productions that are visually striking and grab your audiences attention. The combination of Matrox VS4 and Telestream Wirecast Pro for Windows lets you switch or mix multiple live video feeds and pre-recorded clips while adding graphics and effects. This solution is ideal for internet broadcasts of sports, religious services, corporate meetings, and other live events. NOW INCLUDES VS4Recorder!