... 1.GPS watch tracker 2.heart rate monitor, running system analyser( speed, run time, lap,calories,GPS tracking,ect.) 3.PC link DG-350 GPS watch tracker ... Definition:DG-350 is our new product, it is hot selling with multi-functions of GPS, heart rate ... area 6. Slope/altitude measurement 7. Emergency MOB point(Used for swimming rescure) 8. Simulation curve path 9. Speed/Elapsed ...