If you looking for a handheld GPS but carry a variety function and advantages? I think you sould see The SR-Q2100, QStarz’s latest handheld GPS navigation device which is claimed as a 10-in-1 GPS. Its featured by a nice 38 x 32mm 1.8″ LCD display and compatible with Track Logger, Cycle Computer, Location Finder ,Digital Compass, Route Guider,IPX-7 waterproof, E-Temperature, QPlanner software for route pre-planning,QSports software for health management , and QTravel software for travel logging and geotagging system. See, you will got a complete system in your hand through QStarz SR-Q2100 handheld GPS. The price is not expensive, its about $139 a unit. You can read the detail specs at QStarz official site before buy it.