Racepak Racepak's Sportsman Data Logger is designed to meet the needs of the sportsman drag racer. The Sportsman Series incorporates the same V-Net technology used by the professionals, but in an economically-priced package. In its base configuration, it can record and download engine rpm, driveshaft rpm, battery voltage, acceleration G and lateral G. In addition, this compact logger can provide data logging for up to six V-Net channels as well as 8 EGTs, and can be upgraded to record up to 18 V-Net channels. Compatible with Racepak IQ3 and UDX dashes, and data is stored on a removable SD card. The box includes: Sportsman data logger, harness, Driveshaft speed sensor and bracket, USB programming cable and Racepak Datalink II software. Specifications: lightweight composite housing / data stored on SD memory card / 21 channels (6 user-defined V-Net channels) / 100 samples per second (max sample rate). Records: engine RPM / driveshaft RPM / battery voltage / 2-Axis G-meter / 12 volt event. Dimensions: 4.00 in. (L) x 11.75 in. (W) x 9.00 in. (H) (10.16 cm. x 29.845 cm. x 22.86 cm.) / 0.58 lb. (263 g)