DIYmall 0.96" Inch I2c IIC Serial OLED LCD LED White Display Module for Arduino(Pack of 2pcs) The display is made in Taiwan, quality is much better The IIC address can be changed,it is convenient to use with different machines Four square holes are easy to install One year warranty,any question please contact before negative feedback or review Document link:https://drive.google.com/open?id=1qkexPET5MUICAarGOtlnQk4F-JEKkrHZ