... Wireless Remote control Wide range of test types lcd chart projector CM-1800Features:19-inch high contrast and bright ... sequenceSpecifications:Display:19” LCD (color)Brightness 250 cd/m2 Chart versions E, C, ABC, 123, c hild, special ... version charts Chart acuity 6/3-6/150 20/10-20/500 ... Remote IR Batteries for remote control 3A lcd chart projector CM-1800 Optical instruments