Features:

• Wide viewing angle and high contrast
  
• It can display 4 rows with 20 characters for each. With IIC/I2C interface, it only takes two I/O port thus saving more for other usages.
  
• You can adjust the contrast by the potentiometer at its back. If you don’t want the backlight, you can also unplug the jumper cap at the LCD back.
  
• With this shield, you can display whatever you want by programming for Arduino board. Therefore, this is a perfect choice to make your project more interesting and vivid!

Specifications:

• 2004 204 20X4 Character LCD Display Module Blue Backlight.
  
• Blue backlight
  
• Fully assembled and tested Serial LCD 20x4 Module
  
• Display Format: 20 Characters x 4 lines
  
• Supply voltage: 5V
  
• The module can be easily interfaced with a MCU
  
• The module is a low-power consumption character LCD Module with a built-in controller
  
• Size: approx. 9.8cm x 6cm x 1.2cm