Garmin GPS PC Interface Cable w/ 12V Adapter:
Save batteries and power your eTrex from your car with the Garmin PC Interface Cable w/ 12V Adapter! Download map data for your next trip! It is everything you need to connect your Garmin GPS unit, PC computer and the standard 12 volt cigarette lighter receptacle. Power your GPS and transfer waypoints simultaneously or separately. Each component is custom-manufactured to ensure perfect fit with Garmin GPS units. The cables are fully molded from end to end for DURABILITY and SAFETY.