Prosport Oil Temperature (Elec.) w/temp. sensor Digital Display Gauge This gauge has a Black bezel, Black case and is Blacked out when off. This one gauge can display either Red or Blue and is dimmable A 290 dial sweep provides quick one glance accuracy. Track tested and race proven these gauges use precision electric senders (Included) to keep hazardous fluids out of the passenger compartment. All of the Evo Series gauges perform a dramatic opening ceremony with a full digital sweep each time the vehicle is turned on.