The Nova 850 delivers intense illumination, ideal for lighting up the dark spaces and bringing out the vibrant colors on night dives as well as day dives. It is machined from heavy-duty aluminum so is both lightweight and built to last. It's also easy to use. A 50% mode allows you to increase burn time if you don't need the full power. For divers looking to brighten their dives, the Nova 850 is the perfect choice