DX UniqueFire HS-802 help

I am new to the forum and need some help finding some information I am looking for below is a list of what I am trying to accomplish.

  • Pressure switch where can I get one?
  • I am looking to convert one into an infrared for night vision use what cree unit to use.
  • where can i buy different color cree units red green blue?
  • Are there extra heads available so I can have a couple of different colors like red & green?
http://www.dealextreme.com/p/uniquefire-hs-802-cree-r2-wc-2-mode-230-lumen-led-flashlight-1-18650-2-cr123a-16538