V4 is a fixed indoor LED pixel display and has wide viewing angle. It has contrast ratio of 4000:1 and brightness can be adjusted either manually or automatically. It is highly reliable and has a long life which lasts for more than eight years on an average. It consumes less than half of the power hence lowering operation cost significantly. With unilumin's pioneering calibration system, LED display keeps stunning image even after years of using. It is available in standard cabinet design.