Model: QSB2004-50-YTDSY Module Dimension: 98*60*14mm Viewing Area: 76*26mm Dot Size: 0.54*0.54mm Viewing Direction: 6:00 Driving Method: 1/16Duty 1/5 Bias Operating TEMP.: -10C to +60C Display Method: STN Yellow-green, Positive Back Light: Yellow LED