1.LOW POWER CONSUMPTION. 2.RELIABLE AND RUGGED. 3.EXCELLENT UNIFORMITY OF LIGHT OUTPUT. 4.SUITABLE FOR LEVEL INDICATOR. 5.I.C COMPATIBLE. 6.LONG LIFE-SOLIDSTATE RELIABILTY. RL50-UY543 RL50-WH744D Notes: RL50-CB744D RL50-UV744D 1.All dimensions are in millimeters (inches) 2.Tolerance is 0.25(0.01 .