DESCRIPTION- It is another great BLUE backlight LCD display.- This is IIC Serial 16X2 LCD module .- With this I2C interface LCD module, you will be able to realize data display via only 4 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 projectSPECIFICATIONS- Interface: I2C- SDA (DATA) - analog input pin 4- SCL (CLOCK) - analog input pin 5- Pin Definition: GND、VCC、SDA、SCL- Back lit: Blue- Supply voltage: 5V- Contrast Adjust: Potentiometer- Backlight Adjust: JumperPACKAGE INCLUDES1 x I2C 16x2 Arduino LCD Display Module - White on Blue 5V (1602A)