Double Trigger- Rapid Fire for wireless 360 controllers on RT & LT++++Simply pull the trigger for a continuous burst of Rapid Fire, The gun will fire rapidly until you let go of the trigger. There is a little button on the underside which controls which Mode you are in Off Modern Warfare 2 Super Fast Mode (26 Times per Second, 360 console can't handle faster) COD 4,5 Live Mode (Microsoft released a patch in Sept '09 which stops other Mods, our Mods are not affected due to our unique code) ++++can be used on most games like COD 4 Unreal Tournament 3 Halo 2/3 Ghost Recon Rainbow Six and any other game where you need to shoot really fast!