ITEM NAME:1.3 inch Blue OLED LCD 4Pin Display Module IIC I2C 128x64 3-5V Interface fo F5M8 1.3 inch Blue OLED LCD 4Pin Display Module IIC I2C 128x64 3-5V Interface fo F5M8 Size: 1.3 inch Resolution: 128*64 Controlling Chip: SSH1106 Display Area: 29.42*14.7mm Driving Voltage: 3-5V Operating Temperature: -40~70 celsius Interface Type: IIC Light Color: blue Material: plastic Pin Definition: 1.GND: power ground 2.VCC: power positive 3.SCL: clock wire 4.SDA: data wire Package Include: 1 x Module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.