ViewSonic PS502W 4000 ANSI Lumens WXGA Short Throw Business & Education ProjectorThe PS502W is ViewSonics high brightness WXGA short throw business education projector. Boasting 4,000 ANSI Lumens of high brightness, the projector offers clear images of up to 300 large screen in meeting rooms, classrooms, or any other bright environment. With 0. 52 short throw ratio, the projector can provide 100 large screen size from only 1. 1 m away without being obstructed by shadows, allowing for a large screen even in small spaces. The dual