Digitech Digitech Multi-function Automotive LED Display Monitor
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This versatile module will allow you to monitor the battery voltage, the airflow meter, or oxygen sensor in your car. It features a 10 LED indicator that illuminates in response to the measured voltage so you can see if your O2 sensor is causing your car to run too rich or too lean. Preset 9-12V, 0-5V or 0-1V ranges, complete with fast response time, high input impedance and auto dimming for night time driving. Power: 12VDC Dimensions: 81(L) x 52(W) x 21(H)mm