Garmin 18x PC GPS Navigator Unit High-sensitivity Gps Sensor For Use In Automotive, Fleet Vehicle & Electronics Applications db-9 Pin Serial Connector With A 12v Cigarette Lighter Adapter Can Output Data In Nmea 0183 Format (industry Standard) Or Proprietary Garmin Format 12-parallel-channel, Waas-enabled Gps Receiver cmos-level Serial Or Usb 2.0 Full-speed Versions GPS 18x PC Has DB 9 Pin Serial Connector Non Volatile Memory for Storage of Configuration Information Raw Measurement Output Data for Sophisticated Customer Applications 12 Volt Cigarette Lighter Adapter