Brand new box opened. Sold as new from authorized dealer with full warranty. This is a very high-quality product, very stable, very accurate. Use for auto pellet, compass or use to stabilize transducers or antennas unit outputs heading true, pitch and roll,and yaw. The RS 422 adapter takes the 183 signal and convert it to USB for use with navigation software such as Nobeltec. Technical Marine is an authorized Furuno dealer in Wisconsin.