Fits inside the ECU Designed and assembled in USA USB connection for speed and compatibility KManager Windows based software for parameter & table editing, calibration uploading and datalogging. Many built in calibrations for common engine combinations Built in datalogging to a laptop On board datalogging memory (8 MB memory, 10-215 minutes datalogging) Adjustment for different sized injectors, with overall fuel trim. Configurable for any MAP sensor (to 5 Bar and above) TPS based table lookup for ITBs Engine protection from lean air fuel ratios, over boost and low oil/fuel pressure. Expanded fuel and ignition tables, both in rpm and load, to 60 lbs boost and 11,000 rpm (these are not the upper limits) Launch control with anti-lag Three multi purpose outputs for nitrous control or similar. Supports lambda tracing from the stock wideband o2 or aftermarket wideband. PWM output for boost control Bluetooth support and Hondata Mobile app. Ethanol sensor input for flex fuel capability. Alternate speed sensor input. Dash output serial & CAN streams. Live tuning and auto tune.