This is a great blue backlight LCD display. As the pin resources of controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic Compatible for based project.Features- Color: As shown-Material: Electronic component-Size: 12x6x1cm- Come with IIC interface, which can be connected by Line.- This is a great blue backlight LCD display- With this I2C interface LCD module, you will be able to realize data display via only 2 wires- It is fantastic Compatible for based project.- Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item.