Original FIREFLY never carried. Completely stock as received from DSpeck way back when. This is one of the few original units with adjustable Madmax+ module. Original specs:
Light source/regulator supplied: MadMax+ with Q3 Luxeon

Finish: Black HA3 with copper accent ring (ring is part of head, not removable/losable)

Power source: CR123a cell (1 only)

Lumen management: custom cut-down NX05. This is protected by a B270 glass lens.

Method of operation: twist-on/off.

Water-tightness: sealed with O-rings or gaskets at all joints, should be watertight (not yet tested).

Overall dimensions: ~.75" x 2 5/8" long INCLUDING key-ring tab. C/W keyring installed.

I can email picture on reuqest. $200 shipped to US destination. International buyers pay for their choice of shipping. PP + 4% or Postal Money Order Only.