Feature:OLED Driver IC: SSD1306Resolution: 128 x 64Visual Angle: >160°Input Voltage: 3.3V ~ 6VCompatible I/O Level: 3.3V, 5VMini Size: 2.7 x 2.8cmOnly Need 2 I/O Port to ControlFull Compatible , 51Note:If you decide to buy OLED display, you must confirm that you can make it work by yourself, we'll haven't any technology support. Thanks for your understanding and support.Package included:1 x 0.96 Inch White IIC I2C OLED Display Module