These blue stage lights are a game-changer! Based on our own experience, they add an edgy feel to any concert or gig. We love the way the lights shine effortlessly during performances adding depth and excitement... The build quality IS top-notch, and it's easy to set up. The only con is that it's expensive, but it's worth it for the quality. Overall, we highly recommend these industrial and scientific-based lighting components to anyone seeking top-notch stage lights..