Exhaust Gas Temperature Gauge- Electrical Green/white Performance Series EGT 52mm (2 1/16") This one Gauge can show Green or White. Run one color in the day and the other at night or one color all the time Includes: Gauge, Electric EGT Probe, hardware, decals, instructions, tech support, 1 year warranty Free Tech support 727-572-9011 M-F 9-5 est.