ITEM NAME:16x2 LCD LCD1602 Keypad Shield Module Display For Arduino LCD Shield UNO MEGA 100% brand new and high quality Arduino LCD1602 character LCD expansion board, the motherboard uses a new high-quality 2 lines of 16 characters LCD, not only has a contrast adjustment knob, backlight selector switch, also has four direction keys, a selection button and a reset button; this 1602 LCD extension Board real sense of the circuit will be simplified, the board can be directly into the Arduino Duemilanove controller . Module size: 8*5.60cm/3.15"*2.20" 1602LCD The main technical parameters: Display capacity: 16 × 2 characters Chip operating voltage: 4.5-5.5V Working current: 2.0mA (5.0V) Module best working voltage: 5.0V Quantity:1Pc Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 1Pc x LCD Keypad Shield LCD1602 Module Display For Arduino.1Pc x LCD Keypad Shield LCD1602 Module Display For Arduino. Module size: 8 5.60cm/3.15" 2.20". Display capacity: 16 × 2 characters. And due to the difference between different monitors, the picture may not reflect the actual color of the item.