The Avidyne IFD 550 GPS is a high-quality avionics product designed for aviation use. With a manufacturer part number of 700-00182-021, this device is compatible with a variety of avionics systems. While it does not come with a warranty, it is reliable and has been well-maintained over the past 5 years, ensuring its functionality and accuracy in navigation. Perfect for aviation enthusiasts looking for a dependable GPS system for their aircraft.