The Wayfinder wireless car thermometer has quite a temperature range.

The Wayfinder wireless car thermometer covers a broad temperature range up to 155 degrees. It is able to read temperatures as low as -35 F all the way up to 120F. Also it includes an useful and accurate compass. This particular model comes with the ability to use complex algorithms to consider the metal in your car and give a precise compass reading. This same technology is used by Ford, GM, and Chrysler inside of their factory built vehicles. Which means you know it is accurate and reliable. The compass has a large arrow, 8 cardinal points, as well as a digital numeric reading.