... quiet operation Wireless Remote control Wide range of test types lcd chart projector CM-1800Features:19-inch high contrast and bright ... test rangePrecise distance adjustment.Easy mountingRandom test sequenceSpecifications:Display:19” LCD (color)Brightness 250 cd/m2 Chart versions E, C, ABC ... .2kg(Net. Weight) Remote IR Batteries for remote control 3A lcd chart projector CM-1800 Optical instruments