AiM  SmartyCam cable w/ ext. mic, 2m, 712 7-pin/m to +/- wire

AiM Sports is the world leader in motor sports and race data acquisition technology, electronics, instrumentation, data loggers, digital displays, lap timers, stopwatches and gauges for performance and race vehicles including cars, motorcycles, karts, and junior dragsters. Many AiM products combine the functions of traditional tachometer (tach / RPM gauge), speedometer, temperature gauge, pressure gauge and lap timer all into one compact, high performance unit.