DIYmall 0.96" Inch Blue I2c IIC Serial 128x64 Oled LCD LED Display Module for Arduino 51 Msp420 Stim32 SCR The display is made in Taiwan, quality is much better Document link:https://drive.google.com/open?id=1qkexPET5MUICAarGOtlnQk4F-JEKkrHZ The IIC address can be changed,it is convenient to use with different machines Four square holes are easy to install Warranty: one year warranty, any question please feel free to contact