They Can Measure Horse Power, Torque, 60Ft, 1/8mile, 1/4mile, 0-60 & 0-100-0 mph, RPMs & Shiftlights, Handling G's, Record Up To 30 Runs, High Precision 3-axis Sensor, 1/100 sec. Accuracy In A 1/4mile, Multiple Vehicle Support, Road Racing Mode (G And RPM Recording), 2 Megs Of FLASH, PC...