"THE LIGHTING SPECTRAL DISTRIBUTION IS ANVIS GREEN;INDICATOR WILL INCORPORATE A VERTICAL GYROSCOPE MOUNTED ON A PITCH GIMBAL/MOUNTED ON A ROLL GIMBAL;LIGHTING 5VAC;WT. 4.5 LBS. MAX;TEMP.RANGE MINUS 65.0 DEG. TO POSITIVE 160..0 DEG. F;ALTITUDE: MINUS 1,800 TO 50,000 FT.;INCLUDES A TIME TOTALIZING METER"