They are great flashlights and in a pinch, they may work even better for you than a heavy, expensive, dedicated strobe that will likely never be needed.
Strobes are standard fare for at sea rescues and military ops, but I would be interested in how often they have been the key to a civilian land rescue.
We did very few sea rescues in and around Tucson, Arizona, and we used strobes routinely in land rescues involving helicopters. I have participated in at least thirty.