All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
▶ The screen is made in Taiwan, quality is much better. Compatible with MMDVM,Pi-Star, and it works with raspberry pi. https://tech(dot)scargill(dot)net/ssd1306-with-python/
▶ The IIC address can be changed,it is convenient to use with different machines
▶ Four square holes are easy to install, and no need a pull-up resistor on the i2c lines from an arduino
▶ How to use these two oled display modules at the same time, pls check the vedio for reference: https://www(dot)youtube(dot)com/watch?v=yef23sJjiU0