All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Easy to use. Less I/O ports are occupied, only four - VCC, GND, SDA (serial data line), SCL (serial clock line).
Components: Green 16x2 1602 lcd display + I2C serial interface backpack; 1602 lcd screen can display 2-lines x 16-characters with built-in industry standard HD44780 equivalent LCD controller.
Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip
How to wire: GND—GND; VCC—VCC; SDA—A4; SCL—A5
Compatibility: Fit for Arduino and Raspberry pi.Working Voltage: 5V ;Come with a potentiometer used to adjust backlight and contrast. Used to display Characters, letters and Numbers ,real time clock, temperature, humidity , Commonly used in copiers, fax machines, laser printers, industrial test equipment and networking equipment such as routers and storage devices and so on