II-Hot Rock Case for WII A new innovation by XCM in case modding technology, the Hot Rock Case is a full custom Wii case with a built in digital LED thermometer! Colors change with your console temperature, and it takes a lot of hard core playing to reach the RED! The ii Case HOT ROCK CASE is a new innovation in case modding technology. With a built in Digital LED thermometer, the HOT ROCK CASE is able to alert the user by changing the LED color when the Wii console reaches certain temperatures. Color changes takes place in 5 degree increments. For example, if your Wii console's temperature reaches over 55 degree Celsius, the LED will display 'RED' and start flashing. This will alert the user to turn off the console and check for potential problems and the reason for this heating. And besides that, it looks amazing with a revolutionnary custom look!