Specifications 1 . module : 20.5mmx41mm 2 . the module weight : 57g Introduction to 1602 - character LCD 1602LCD Main technical parameters : 1 . display capacity : 16x2 characters 2 . chip working voltage : 4.5-5.5V 3 . current : 2.0mA ( 5.0 V) 4 . module optimum working voltage : 5.0V 5 . character size : 2.95x4.35 ( W xH) mm 6 . Utilizes the extremely common HD44780 parallel interface chipset. 7. Interface code is freely available. 8. Working with 4 Bit Arduino LCD Library. 9. Blue Backlight with white words. Package Included: One piece only LCD 1602/1602A Input / Output expansion board LCD Keypad Shield