Description: 1Pcs 64x48 monochrome blue-on-black OLED module Great for adding graphics to Arduino project Easy to control over either an SPI or I2C interface Operating voltage: 3.3V; Screen size: 64x48 pixels (0.66" Across) Size: Approx. 42 x 20mm Specification: Pin GND, VCC, D0, D1, RES, DC, CS Driver chip: SSD1306 1.GND (OLED power ground) 2.VCC (OLED power supply 3.3V-5V) 3.D0 (OLED IIC clock line) 4.D1 (OLED IIC data cable) 5.RES (OLED reset line) 6.DC (OLED data / command line) 7.CS (OLED chip selection line) Package Includes: 1 Piece OLED Dispaly Module