Dynojet Power Commander III USB Dynojet Research, Inc. is the world leader in the development and manufacturing of performance enhancement products and tools Provides precise information for fine-tuning a fuel-injected motorcycle when changing an air filter, installing a new exhaust system or doing additional engine performance modifications Each unit includes a built-in microprocessor and a specific map designed to improve engine performance over stock - Dynojet continuously maps new calibrations for each bike for downloading at their website (www.powercommander.com) If you do not have a computer, you can change the settings with three touch buttons on the faceplate OEM-style wiring connectors with improved harness protection are supplied - no wiring modifications required Includes easy-to-follow instructions Direct injector control technology manages the fuel curve on models that do not have the sensors to monitor fuel adjustment Features an expansion port for future add-on modules from Dynojet USB power programming module is necessary to provide voltage to your Power Commander when it is removed from the bike and attached to your PC (must be purchased separately not required if module is installed on bike) Software is compatible with Windows 98se/ME/2000/XP/Vista - opens all maps with .djm extension USB 9V Power Adapter is included, optional adapters also available Made in the U.S.A. For software updates, manuals / tutorials, and map downloads please visit http//www.powercommander.com NOTE Not legal for sale or use on pollution controlled vehicles