This affordable system is capable of giving you data on O2/ Lamda, RPM, Water temp, Fuel Pressure, suspension travel, and many other sensor options. This kit contains the SSI-4, a 4 channel sensor interface with daisy chain capabilities. Also, the LC-1 Lambda interface and 02 sensor cable. To finish the system, the PL-1 records all data to be viewed on your computer using the Log Works software. All the user manuals and software is included with the package. All together, $200. Please call or text Johnny B at 817-703-3032.