Containing the same hardware and software utilized by our professional series data recorders, the Sportsman Drag Race Data Logger package offers an economical solution for the sportsman drag racer. Utilizing Racepak's exclusive V-Net sensor input compatibility with our full V-Net product line, while the 25 total sensor inputs (internal and external) provide the ideal balance of cost and features, allowing the sportsman racer to monitor information such as EGT, oil pressure, water temperature, transmission pressure, 12v events, air/fuel ratio, and more. The use of an SD memory card ensures hours of recording time and the ability to store multiple run files, before downloading. Installation is simplified by the use of a factory terminated wiring harness and pre-programmed software. Out-of-the-Box, this system will data log: Engine RPM Drive Shaft RPM (Requires Driveshaft Collar Sold Separately) Accelerometer G-Meter Lateral G-Meter Battery Voltage 12 volt event Record Button Channel Upgrades: This system comes with 6 V-Net Channels if you are looking to add more V-Net channels you can upgrade by adding 2 or 4 at a time up to 12 additional channels with the following upgrade part numbers for a total of up to 18 V-Net channels: 2 Channel Upgrade - 610-UG-SPRT2 4 Channel Upgrade - 610-UG-SPRT4