Specification Brand : Deeoee BulletPoint : LCD2004 IIC I2C LCD 2004 20x4 Character LCD Display Modules HD44780 Controller Blue Screen Backlight For Arduino LCD BulletPoint1 : Condition: New BulletPoint2 : Type: Logic ICs ExternallyAssignedProductIdentifier : 4862440106768 ItemName : LCD2004 IIC I2C LCD 2004 20x4 Character LCD Display Modules HD44780 Controller Blue Screen Backlight for Arduino LCD ItemTypeKeyword : lcd-character-modules Manufacturer : Deeoee Material : Copper PartNumber : CXXMODULE-11334 ProductDescription : This is IIC Serial 20X4 LCD module . With this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project. Specification: Interface: I2C I2C Address: 0x20 Sofware version :0022 SDA (DATA) -> analog input pin 4 SCL (CLOCK) -> analog input pin 5 Pin Definition : GND.VCC.SDA.SCL Back lit (Blue with white char color) Supply voltage: 5V Pcb Size : 60mm×99mm Contrast Adjust : Potentiometer Backlight Adjust : Jumper Package: 1 X Blue Display IIC/I2C/TWI/SPI Serial Interface2004 20X4 Character LCD Module