It's a sample 4X4 key-pad shield with a 5110 Graphic LCD interface. Just plug it on Arduino directly, you get the small development platform with keypad input and Graphic LCD display.
This KeyPad shield use 8 digital pins to do the rows and columns scanning, and it support 16 buttons.With this Keypad, your project will become easier to control.
In the shield we put a 8pin interface for the 5110 Graphic LCD
, it should be the most cost-effective display module for small project or handheld device.
More information about this shield , you can download the datasheet there and the demo code : http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=308&zenid=hpi43i1spt6auvp3roehhs9up0