GlowShift’s 10 Color Digital Series Transmission Temperature Gauge is electronically driven and reads fluid temperatures from 68° to 302° Fahrenheit. This gauge is useful with any vehicle that has an automatic transmission, including diesel trucks towing heavy loads over long distances. The 10 Color Digital Gauge Series features a Low Profile Tinted Lens with a Digital Numerical Readout for quick readings. You’ll also have the choice of a blue, green, red, yellow, white, teal, purple, pink, amber or orange LED display on a black gauge face.