Check the listing for details. Megatouch ION USB Touchscreen Controller Microtouch Aurora, Rx, EVO, Elite Edge. Listed at 49.42 USD. You might need this if your touchscreen is having problems. However, the most common failure on ION machines is the ribbon cable coming off the edge of the touchscreen itself. They heat up, cool down, heat up, cool down, etc, over the last decade+, and they get brittle, and then stop conducting.

$29.65
$49.42