The Garmin TR-1 Gold Wireless Remote Kit is for use with Garmin's TR-1 Gold Marine Autopilot. Developed with the fisherman in mind, the TR-1 wireless remote has been designed to give fishermen that competitive edge in fishing and unparalleled precision and control of their boat. The TR-1 wireless remote control is an add on system that provides the most often used functions of the standard TR-1 wired remote in a compact wireless form. (Note: The wireless does not replace your existing handheld. You will still need your wired handheld to tune your autopilot or use the other functions of the autopilot.)Autopilot Kit is sold separately.