12v digital speedometer for accurate performance Easy installation with ''drive to set'' function LCD display with odometer and trip meter The Smiths 12v Digital 120 MPH Speedometer with black face is a reliable and accurate upgrade for your vehicle, replacing the original mechanical unit. The digital display offers a more modern, precise way to monitor your speed, with an easy-to-read LCD panel that also shows the odometer and trip information. Setting up the Smiths speedometer is simple thanks to the built-in "drive to set" function. Just drive your vehicle over a measured mile, and the system automatically calibrates.
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