CATEGORY Red laser white light+ ir laser +IR fill light Green laser+ white light+ IR laser+IR fill lightBlue laser +white light +ir laser +IR fill lightLaser contstant-on white light contstant-onwhite light strobe, IR fill light contstant-onRlaser contstant-on+ infill light strobe. FEATURES IR fill light strobe, IR laser contstant-onR laser +irfill light contstant-onlaser+ white light contstant-onLaser +white contstant-on. The functionality of the nylon version and the metal version is the same, but the material is different.