The Streamlight Protac-1L-1AA is the most versatile flashlight I have ever come across.
It has 3 different mode options to get the settings that work best for different situations you may find yourself in and the capability of using 3 sizes of batteries in a wide range of voltages, gives you 8 options to power it.
It is also a great size for carrying in your pocket, not to mention being lightweight and with the double sided clip, can also be attached to a hat brim to use as a headlamp if necessary.
The price has come down since I bought mine. At the time of uploading this video it costs only $33.05 on Amazon
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