ITEM NAME:1PCS IIC I2C 0.91" 128x32 white OLED LCD Display Module 3.3v 5v OZ.1PCS IIC I2C 0.91"128x32 white OLED LCD Display Module 3.3v 5v AVR PIC Arduino uno r3. IIC interface. OLED display, no need backlight, self-illumination, the display performance is better than the traditional LCD display, also lower consumption.