The GPS 18 can turn your laptop PC into a powerful street navigator with the GPS sensor bundled with nRoute and city select software that automatically guides you with turn-by-turn directions and voice prompts to get you safely to your destination. By Garmin. GPS Kit Features Type GPS receiver module Receiver 12 channel SBAS WAAS Features USB 2.0 compatibility, Waterproof Acquisition Times Acquisition Time Cold 45 sec Acquisition Time Warm 15 sec Acquisition Time Hot 2 sec Connections Antenna Built-in Interface USB Accessories Included Software MapSource City Select North America, Garmin nRoute Included Accessories Automotive windshield mount Miscellaneous Min Operating Temperature -22 F Max Operating Temperature 176 F Manufacturer Part No. 010-00321-00 UPC 753759042660 Dimension 0.7 in x - x 2.4 in (HxWxD)