Streamlight MicroStream

Micro Power well made.  I always have one of these lights in my vehicle or pocket.

It puts out a tremendous amount of light (28 lumens) for a single AAA battery.  The clip allows a shirt, pocket, or belt carry.  I prefer to keep it in my pocket.

I purchased it on Amazon since it is the easiest place to obtain these lights with a shipping deal if you are a prime member or order enough.