Davis Instruments
Since 1963, Davis Instruments has been hard at work inventing high-tech accessories for your automobile. Davis Instruments' latest innovation, the Car Chip, records your auto's critical data, which you can download to your PC to monitor your performance.
With quadruple the memory of its younger brother, the Davis Car Chip EX captures up to 300 hours of driving data. Monitors up to 4 critical engine parameters, saves a black-box accident log, and has an optional alarm. OBDII port install. 1-year warranty.
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Priced at $129.95