Optoma W318ST DLP Short Throw ProjectorW319ST Short throw projector Built in 10W speaker 28dB low noise Bright 4000 lumens Versatile connectivity The W319ST is feature oriented projector, specially designed for business and education environments. This bright short throw projector has precision optics with an bright light source engineered to handle ambient light conditions. Essential capabilities such as USB power and network connectivity for more flexible operations are included. Short