Seven user-selectable LED lighting colors available for background, message, and pointer: red, green, blue, teal, magenta, amber or white Plug directly into the MVX series gauges and add readings for up to two air suspension pressure, boost pressure, or compass heading into the existing LCD displays of the speedometer and tachometer Proudly designed and manufactured in the U.S.A.. GAUGE FUEL BLK/GRY BLK