Battery Operated - tested and works Start each day with a roaring authentic V8 engine wake-up call from a Chevrolet Corvette!! Dial features classic 1967 Corvette Sting Ray!! Retro-shape and large, easy-to-read dial features classic 1967 Corvette Sting Ray, which is still regarded by many as one of the best-made Corvettes of all time. Great gift idea for the Corvette owner or fan!!! See pictures for approximate measurements.