Model: QSB2002-52-YFDLY Module Dimension: 180*40*14mm Viewing Area: 149*23mm Dot Size: 1.18*1.18mm Viewing Direction: 6:00 Driving Method: 1/16Duty 1/5 Bias Operating TEMP.: -10C to +50C Display Method: STN Yellow-green, Positive Back Light: Yellow-green LED