Introducing the all new Sportsman Data Recorder from Racepak! This new data acquisition system is designed to meet all of the needs of the sportsman drag racer, including their budget. This compact recorder provides up to 21 channels of data. The new Sportsman Series incorporates the same V-Net technology used by the professionals, but in an economically-priced package. In its base configuration, you can record and download engine rpm, battery voltage, acceleration G's and lateral G's. After a pass, simply pull the SD memory card out, and open the information on your PC using Racepak's DataLink software. No cables are required. Internal Sensors: Engine RPM Driveshaft RPM Battery Voltage 2-Axis G-meter 12 volt event Specifications: Lightweight composite housing SD memory card 21 channels (6 user-defined) 100 samples per second (max. sample rate) Dimensions - 6” x 4.5” x 1” Weight - 0.65 lbs