Use this light on my life jacket for sailing and its lightweight design means that you dont know its there with quite a bright led light, and it can hit or 2 without damage. It also works submerged in salt and fresh water for an hour without water ingress. Very excellent light
Reviewed by John_OCR - 16th May, 2017
Used for Euro Toughest Mudder
Wanted some thing that was going to last long amount of hours be fully waterproof and take a hit or two.
This done it brilliantly for the night run, for my test run I accidentally drop kicked it down a large hill to which it survived with a meer scratch.
For the actual race I hardly knew it was there but people behind me was being blinded.
It took hits going in to Artic Enema (drop in to container full of ice) and also the fall from King of Swingers, basically all that was thrown at it and survived.
So for hard trail obstacle running when a strobe is needed, it's good buy.
For dogs, I have no idea?