I'm going to do my first live aboard with night dives and i'd like to get a emergency strobe. Unfortunately here in Bangkok, I haven't been able to find much of a selection. I can get here the Pelican Tracker or the Mares Strobe Beam. The tracker is small, but is only rated to 3 hours. The mares doubles as a light and is rated to 24 hours. I can't seem to find reviews on the Mares light. Anyone seen one in action?