Generic emitter, but enough brightness for general use poking around inside PCs and getting around indoors at night. Small/pocketable like the Black Cat/TK 703 lights, clicky switch, and cheap enough that you don't worry about it getting lost/stolen.
These are very, very nice! Very well made as good as any top brand. Mine is a little blue/cold but puts out a good 30 lumens and comes with a head strap and clip. Runs on one AAA. Way better than a normal budget light. And a bargain to boot.
That is impressive ! A $ 1.89 EDC to survive a blender test and still work ! there are probally more eloborate and expansive name brand lights that would have failed that test.
All the ones i bought worked great, and none of them failed yet for me. The only downfall is the hit-&-Miss tint colors, though a fiew of the ones i have are a very nice cool white, and some others have the blue tint.