This Electronics International clock is a must-have for any aviation enthusiast. With its precision timing capabilities, it is perfect for synchronizing with other devices on your plane or in your hangar. Made in the United States, this clock is built to last and is covered by a no-fault warranty. The manufacturer part number is SC-5, and it is compatible with a variety of avionics devices. Whether you're a professional pilot or a hobbyist, this clock is an essential tool for any aviation setup.