ITEM NAME:iic i2c 0.91" 128x32 blue oled lcd display module 3.3v 5v for arduino gN Size: 0.91 inch OLED Resolution: 128 x 32 IIC interface Display Color: blue Pin Description: GND: Power Ground VCC: Power + (DC 3.3 ~5v) SCL: Clock Line SDA: Data Line Package including:.1PCS IIC I2C 0.91"128x32 blue OLED LCD Display Module 3.3v 5v AVR PIC. IIC interface. VCC: Power + (DC 3.3 ~5v). Display Color:blue. SCL: Clock Line.