1.8" Serial:UART/IIC/I2C/SPI 160xRGBx128 True Color Graphic OLED Display Module for Arduino/PIC/AVR 1.8" viewing area, UART/I2C/SPI Interface 2.5V to 7.5V wide range of power supply 7 pre-loaded Fonts and uploadable user fonts User manual + Arduino Lib and Demo Code