ViewSonic LS921WU 6000 Lumens WUXGA Short Throw Laser ProjectorThe LS921WU is an advanced 6,000 ANSI Lumens WUXGA short throw installation projector. Adopting 2nd generation Laser Phosphor technology, the LS921WU offers high and consistent brightness with a lifespan of 20,000 hours and a screen size of up to 200". Bright 6,000 ANSI Lumens 2nd Gen Laser Phosphor 0. 81 0. 89 Short Throw Ratio Cost Effective Compact Size View on manufacturer's website ViewSonic LS921WU 6000 Lumens WUXGA Short Throw Laser Projector