ATEM SDI is an intuitive 4-input 3G-SDI broadcaster within everyone's reach. It is the essential tool for live streaming multi-camera productions. Just connect the 4 3G-SDI sources, such as cameras, and switch between them live. ATEM SDI has built-in effects that allow for transitions, picture-in-picture, etc. It is also possible to make overlays to remove the blue or green background, or to superimpose your personalized graphics, to manage the audio inputs, to mix and much more. For streaming, nothing could be simpler. ATEM SDI has a USB output that functions as a webcam for your computer. It is also equipped with two SDI video outputs for monitoring.