This is a data interface & i/o module for Traqmate systems. It has the following input/output features: - 4 analog inputs (5, 10, or 20V range) - 2 digital inputs - tach signal input - camera interface for ChaseCam PDR or Sony HD camcorders. This kit includes the Traqdata HD module, a DB15 cable to connect to the sensor unit, a removable terminal strip, 2.5mm M-LANC cable, a sony camera adapter cable, and velcro mounting tape.