Available in 4 different sizes all SW4 wheels have color TFT screens, 3 CAN connections (AiM proprietary, ECU and CAN2), 4GB internal memory, 8 configurable RGB LED shift lights, 4 configurable RGB LED alarms, 10 pushbuttons (2 push through for PPT or Pit Land Speed), 3 rotary switches (pushbuttons and rotary switches are backlit). Car side harness, gear paddles, clutch paddles, and GPS09 are sold separately. Analog channels are not native to the wheel, but can be added via Channel Expansion Modules.