Description: High resolution: 128 * 64 Character Color: Blue and yellow I2C/IIC Interface Viewing angle: >160 degrees Ultra-low power consumption: full 0.08W with whole screen lit Controller IC: SSD1306 Voltage: 3.3V ~ 5V DC I2C address: 0X3C Mounting Hole Diameter: 2mm Specification: Material: electronic components +led Size: 29.3 x 27.5mm/1.2 x 1inch Package Includes: 1 Piece OLED LCD Display Module