I have or have had tactical flashlights from many manufacturers, from Walmart to Inova and SureFire. This is the brightest so far. From military use to home use, I've chosen Streamlight as the brand that I feel offers the best value for money. I particularly like this model as it comes with a rechargeable, swappable battery with an included USB charging cable, but also supports standard CR123 batteries. I also bought an extra pair of batteries for the environment or something. It gets hot, especially near the light-emitting end when it's on for a long time. It switches to strobe when switched on simply by a quick press from high to low. I haven't used the programmable function, but you can switch it to cycle if you like. It also comes with a great pocket clip.
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