For use with Garmin GPS systems consisting of a 4-pin connection, the Gilsson R12C 12v/PC combination cable allows you to transfer such data as your waypoints and/or detailed mapping to and from your pc while powering your GPS system through a 12v power source. Its structure displays a rugged serial connection including screws at the connection point to your pc for additional strength and support as well as a being internally fused cigarette lighter with a voltage converter. Compatible with Garmin GPSMAP 60CS, 76,GPS II, III, V, 12, 38 and Streetpilot III. Comparible to Garmin part# 010-10165-00.