AQ-1 OBD2 Data Logging System AQ-1 OBDII CAN Data Logging System, Reads OBD CANbus on 2008-Up Vehicles and Includes 12 inputs, Four 0-5v Analog, Four 0-16.5v Frequency, Three Switched Digital, RPM, Expandable Throgh AEMnet Devices, Harness Sold Separately