Includes everything you need to get you up and running: - GPX Pro 4 (obviously) - External antenna - Breakout box - extremely simplifies the wiring process, wire the breakout box to a switched 12v source, everything else gets plugged into the breakout box - (2) wire sets to tap into whatever you want to data log on your bike - The other misc shit you see in the pics Everything works 100%, no lines burned out on the screen or anything. $315