The new Racepak V500SD Serialized Data Loggers include all of the features and benefits of their successors, but now also include built-in pre-configured data analysis channels allowing you to make quick decisions based on real data between rounds at the track. The new secured loggers protect your vital system data with a serialization number that is unique for each individual logger. Not only does this feature provide protection for your data, but it also allows you to quickly organize logs between rounds. 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 List of Pre-configured data analysis math channels are included in the DataLink V5 software: Engine vs. Driveshaft Ratio Clutch % Slip Clutch Slip Ratio Trans Ratio RR, LR, RF, LF Shock Velocity Average Air/Fuel Ratio Average Exhaust Gas Temperatures CC's Per Turn (for Fuel Flow) Track Time G-Meter MPH, G-Meter Distance (Feet) 60 ft, 330 ft, 660 ft, 1000 ft, 1320 ft Clock Markers The new secured loggers protect your vital system data with a serialization number that is unique for each individual logger. Not only does this feature provide protection for your data, but it also allows you to quickly organize logs between rounds. 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 List of Pre-configured data analysis math channels are included in the DataLink V5 software: Engine vs. Driveshaft Ratio Clutch % Slip Clutch Slip Ratio Trans Ratio RR, LR, RF, LF Shock Velocity Average Air/Fuel Ratio Average Exhaust Gas Temperatures CC's Per Turn (for Fuel Flow) Track Time G-Meter MPH, G-Meter Distance (Feet) 60 ft, 330 ft, 660 ft, 1000 ft, 1320 ft Clock Markers