Specifications: 1) Display modes: STN, positive, yellow-green, transparent or reflective 2) Display format: 40 characters x 4 lines 3) Viewing direction: 6:00 4) Input data: 4-bit or 8-bit interface available 5) Display font: 5 x 8 pixels 6) Power supply: single power supply (5V±10%) 7) Driving scheme: 1/16 duty, 1/5 bias 8) Backlight (side): LED (yellow-green) 9) Other display formats (characters x lines): 8 x 1, 8 x 2, 16 x 1, 16 x 2, 16 x 4, 16 x 6, 20 x 2, 20 x 4, 24 x 2, 24 x 6, 40 x 2, 40 x 4