Intellitronix's 2-1/16 inch LED Digital Stereo Amplifier Temperature Gauges are designed with microprocessor-controlled accuracy that ranges from 50 to 250° Fahrenheit. These gauges contain a black face housed in either a black or chrome bezel with letters and numbers that light up with LED colors for increased clarity. Choose from super bright Blue, Green, Red, or White LEDs. Comes complete with automatic night dimming, sending unit and in-dash mounting hardware. .