A stand alone raspberry pi tablet works on battery power anywhere you need it. Has a glowing Raspberry on the back to show off your Raspberry pi Awesomeness while you click. It has a door for replacing the SD card and storage for 2 additinoal SD cards to allow for multple interface choices. Touchscreen is still not quite right so you have to calibrate the screen before you put it all together.(https://learn.adafruit.com/ar1100-resistive-touch-screen-controller-guide/calibrating-the-ar1100) I can work on instructions and a more complete list of parts and how to put them together.