20x4 Dot-matrix LCD Module, Backlight color : blue/yg

Structure: cob with metal frame lcd display modes: stn-yg, positive, transflective and 6 degrees driving method: 116 duty, 15 bias backlight: greenblue led backlight outline: 77.0 x 47.0 x 14.7mm (maximum) viewing angle: 6 degrees viewing area: 60.0 x 22.2mm active area: 55.12 x 17.56mm dot pitch: 0.47 x 0.51mm dot size: 0.42 x 0.46mm operating voltage: 0 to 6.0v operating temperature: -20 to +70 degrees celsius storage temperature: -30 to +80 degrees celsius.