Features: Size:80mm x 58mm. Working current:. 2.0mA (5.0V) Uses 4 Bit Arduino LCD Library. Blue Backlight with white words. Chip operating voltage :4.5-5 .5 V Display Capacity: 16 2 character Character sizes:. 2.95 4.35 (W H) mm Module optimum operating voltage:. 5.0V This is a basic 16 character by 2 line black-on-green display. Utilizes the extremely common HD44780 parallel interface chipset.