300 shipped was use only once.

LM-1 Air/Fuel Ratio Meter Kits
The LM-1 Digital Wideband Air/Fuel Ratio Meter is accurate, affordable and features internal datalogging for real-world road testing.

Basic Kit -
includes LM1, Bosch 5-wire Wideband o2 Sensor, Analog Output Cable, 10 ft Sensor Cable, 10 ft Power Cable, 6 ft Serial Cable for PC Connection, Bung/Plug Kit, Software CD, and Quick Start Guide

 

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