Panasonic PT-SLW79C is a 3LCD projector with resolution of WXGA（1280*800） and 6200 lumens. It adopts 3LCD projection technology, using 3 x 0.64 inch chips, with a light source of UHE lamp, lamp lifetime is 4500 hours under normal mode. The contrast ratio is 20000:1, image size is 40-400 inches.