Features: brand new and high quality Displays 4-lines X 20-characters. IIC/I2C interface was developed to reduce the IO port usage on board. Only provide aruino test program, do not provide program interpretation, modification and other services. Operate with 5V for DC. You can connect directly to board. Used for replace damaged LCD display. Specifications: Material:ABS Type:Single Screen Blue/Single Screen Green/I2C Blue/I2C Green Pin Definition: GND.VCC. Size:Approx. 60x99mm/2.36x3.89 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x LCD Module