The ViewSonic PJ559D DLP projector features 2,700 lumens, native 1024x768 resolution, ultra-high 2000:1 contrast ratio (typ) and Brilliant Color technology for precise images in any lighting condition. This full-featured projector includes multiple inputs for connecting several display sources simultaneously, dual 5-watt speakers for complete multimedia presentations, vertical keystone correction for easy image adjustment and Direct off feature. Choose from whiteboard, blackboard or greenboard mode for the best picture on your projection surface. Eco-mode extends lamp life and reduces fan noise as low as 34dB. Protect your projector from theft and unauthorized use with the Kensington security port and PIN lock password. Choose the PJ559D for education and business use.