It can also be extremely useful to allow the flashlight to give the maximum brightness in certain conditions.
Agreed, maximum brightness may be useful in certain conditions.
you can hear the sound of a search aircraft in the distance, then an SSC P7 type flashlight flashing an SOS at over 600 Lumen for 2-3 hours
if a search aircraft is actively looking for you and you can hear it, it is unlikely you have flash for 2~3 hours
A multi mode flashlight may not flash the SOS signal at maximum brightness.
The recent flooding in NO, there was 1 guy who had several bright tactical flashlights and 40~50 CR123A. His experience was that high power flashlight was too bright for indoor use and it takes only a few days before his stock of CR123A was used up. His low brightness light was more useable and it serve him throughout the floods.
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