Hd ready classroom projector innovative teaching solution with a large scalable screen size of up to 100 inches to display hd ready wxga content for enhanced learning the eb 685ws ultra short throw design allows you to present large images from a very short distance with minimised shadows and glare with a brightness level of 3 500 lumens an hd ready wxga resolution a 14 000 1 contrast ratio and hdmi input students benefit from sharp clear images high quality bright images epsons 3l