Give your car or sport truck the rich look of gauges that are white by day and glow softly at night! The same electroluminescent technology that was made famous by leading watch Manufacturer's now magically transforms your dashboard into the look and style of expensive European cars. Each kit includes a transformer that features your choice of a soft green or cool blue glow at the flip of a switch. Speed Glo™ does not interfere with any original gauge operations and is manufactured to high quality O.E.M. specifications. Easy to install with simple instructions included with each kit.