This Davtron M803 Chronometer/Digital Clock is a reliable timepiece suitable for various aviation applications. With a 28 volt lighting system, it provides accurate time measurements for optimal performance. The clock is manufactured in the United States and comes with a manufacturer part number of 803-28V. The brand name Davtron is known for its quality products, and this clock is no exception. Whether you are a professional pilot or a hobbyist, this digital clock is an essential tool for accurate timekeeping.