Panasonic SMW63C/CL is an excellent projector for engineering use with incredible lumens of 6500 and a resolution of 1280*800, adopting 3DLP projection technology via three 0.67 inch chips. Its lase light source provides supreme sharp and vivid images along with life span that is up to 20000 hours under normal mode. The contrast ratio is 3000000:1, and image size is 40-400 inches.