Panasonic FRZ575C is an excellent projector for engineering use with incredible lumens of 10000 and a resolution of 1920*1200 , adopting DLP projection technology via 0.67 inch chip. Its lamp light source provides supreme sharp and vivid images along with life span that is 4000 hours under normal mode. The contrast ratio is 20000:1, and image size is 40-400 inches.