The Roland V-1SDI is a must have at any large event such as concerts and even in news broadcast with a featuring compact design; it allows you to switch and connect professional 3G SDI cameras and playback sources through the 4-channel mixer, along with HDMI sources including cameras, smartphones, computers, tablets and Blu-ray players in order to deliver professional switching results as it features a unique hardware interface and easy-to-see backlit buttons. The Roland V-1SDI video switcher can operate at a Full 1080p resolution which can take full advantage of the longer cable distance of SDI.