The ViewSonic PA503S-3 is a SVGA business and education projector designed for small meeting rooms and classrooms. It features a brightness of 3,800 ANSI lumens and a 28,000:1 contrast ratio, making it suitable for various lighting conditions. The projector also includes features like 5 color modes, SuperColor technology, vertical keystone correction, and reduced input latency. It offers a long lamp life of up to 15,000 hours in SuperEco mode.