Panasonic SRS11KC is an excellent projector for engineering use with incredible lumens of 10000 and a resolution of 1400*1050 , adopting DLP projection technology via 0.95 inch chip. 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 20000:1, and image size is 70-1000 inches.