Mengshen Mini GPS Receiver Tracker + Location Finder with Keychain USB Rechargeable For Outdoor Sport Travel MS-GPS04 Mini shape, just like a watch ,Compact, easy to carry Provide the direction and distance to the destination,Destination point can be set, maximum 16 points Record the distance you travelled, and the time you spent,Provide current position: longitude, latitude, and altitude information Speed measurement,Display accurate time synchronized by satellite With an extremely long waiting time With back-lit display Multifuncion with simple operation Ideal for Drift/Camping/Hiking/Climbing...