Canmore GT-730F(L) USB GPS Tracker Stick Data Logger (WAAS, A-GPS, 1,000,000 Waypoints, 54 channels) The GT-730F(L) USB GPS Data Logger Dongle is capable of keeping up to 1,000,000 recordsor positions, including longitude, latitude Its 54 parallel channels and Venus 5 search bins provide short start-up time Satellite-based augmentation systems, such as WAAS and EGNOS, are supported to yield improved accuracy Log data can be exported to mapping software suchas Google Earth and TrackMaker Super mini size:73.5x27x10 mm