Save money on belts by being able to monitor belt temperature the most accurate way possible. The leading design using an infrared sensor you will not get a more accurate reading. This gauge is equipped with a 15' wire lead so it can be used on 2 or 4 seat machines and any sled on the market.
One question that is commonly asked, is what is the difference between the standard and pro sensor? The Pro Sensor has a narrower field of view, so it's more accurate. You get less averaging of anything else that may be in the sensor's "view".