Autometer Sport Comp 3337-M 2" Water Temp 40-120C Gauge Mechanical or electrical in five diameters, Sport-Comp Gauges endure even the toughest racing environment. They have black faces, white accents, red pointers, silver or black bezels, and around-the-dial lighting (compared to Sport-Comp II Gauges with through-the-dial lighting). These gauges are one of the most cost effective, accurate and tastefully designed gauges on the market. You can do no wrong with a name like Autometer monitoring your car's health.