I would never leave home without it, read the story under this youtube video pasted below......
It's good for tracking however I will never mount it to my bike again. In this crash which broke my femur if had it been mounted to the bike I would not have been able to activate it as the bike went over the bank and I could not move.
XR650R dualsport/Rally Trainer
“We should come home from adventures, and perils, and discoveries every day with new experience and character”