Zaon Flight System PCAS XRX ONYX Portable Collision Avoidance System 10-48VDC. 

This unit is in great condition. It includes the carrying case, cords and accessories shown. 

See What ADS-B Misses. This unit spots any aircraft with a transponder - even if they are below ADS-B coverage - like in the traffic pattern!

Comes with an interface to connect to a Garmin 396/495/496 GPS so you can display XRX traffic directly on your GPS display.