More than 20,000 hours of hassle free operation and high quality performance combined with low TCO thanks to the laser light source, the sealed light engine and the integrated liquid cooling system. The NEC scaler chip and the Sweetvision contrast enhancement deliver best image performance, clarity and crispness. And the free tilt and geometric control makes the PX1004UL extremely flexible and with projector stacking you can even reach a brightness of up to 40,000 ANSI lumen and a 4K resolution.