LCD1602 Keypad Shield Blue Backlight

1602 LCD Shield Module Display V3 for Arduino R3 MEGA2560 Nano DUE This is a 16x2 LCD Keypad module for Arduino Diecimila Duemilanove, MEGA1280, MEGA2560 board.  Blue Backlight with white words, adjustable backlighting 4 Bit LCD Library,V3 design, pins out for easy connecting 1602 LCD Keypad Shield 1602 LCD Expansion Shield Board Blue Backlight 4.5-5.5V for Arduino Duemilanove Robot Specifications Module : 20.5mm x 41mm Weight : 57g  Main technical parameters: Display capacity: 16x2 characters Chip working voltage: 4.5-5.5V Current: 2.0mA (5.0 V) Module optimum working voltage: 5.0V Character size: 2.95 x 4.35 (W x H) mm