Model: QSB128128-50-YFDSY Module Dimension: 65.4*70*12.3mm Viewing Area: 49*59mm Dot Size: 0.3*0.3mm Viewing Direction: 6:00 Driving Method: 1/128Duty 1/12 Bias Operating TEMP.: -10C to +60C Display Method: STN Yellow-green, Positive Back Light: Yellow LED