A versatile opaque projector for accurately redrawing images at different scales Enlarges up to 4 times vertically and 30 times horizontally and reduces to 70-percent Copy size 6-inch-by-7-inch with copy clips to secure original Uses one 250-watt photo quality bulb included Cooling fan and safety overload circuit keeps copy cooler ce approved Enlarges up to 4 times vertically and 30 times horizontally and reduces to 70