1) 8x2 small LCD 2) LCD type:STN,Positive,Yellow-Green 3) Y-G LED ... 9) Power Supply Voltage 5.0 V 10) VLCD Adjustable For Best Contrast 4.7 V (VOP.) 11) Operation temperature ... +70°C -------------------------------------------------------------------------------------------------------- Product range Character Module:Whole product series for 8x2,16x1,16x2,16x4,20x2,20x4,40x2,40x4 ,characters each ...