ITEM NAME:1602 LCD with Keypad Shield Board Blue Backlight Module for Arduino Duemila Y9L5 1602 LCD with Keypad Shield Board Blue Backlight Module for Arduino Duemila Y9L5 1602 LCD main technical parameters: Display Capacity: 16 × 2 character Chip Operating voltage :4.5-5 .5 V Working current: 2.0mA (5.0V) Module optimum operating voltage:5.0V Module size:20.5mm × 41mm/0.81 x 1.61 inch Module Weight:57g 1602 Character LCD Introduction material:CCL colour:blue&green packing:1*Blue Backlight Module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..1602 Character LCD Introduction. Module Weight:57g.