XBOX 360 Dual Turbo 4 Mode Rapid Fire Modded Modified Wireless Controller Control Pad (not 3 mode) for HALO 3 / Call of Duty 4 / Gears of War Xbox 360 Modded Modified Wireless Controller Control Pad Compatible with Halo 3, Call of Duty 4, Gears of War and other First Person Shooters FPS Dual Rapid Fire Turbo function for Left Trigger (LT) and Right Trigger (RT) Turbo Function can be turned ON and OFF - If OFF it functions like a regular controller