Universal GPS Speedometer Interface Module
ALWAYS have an accurate speed reading! Changing your gear size or tire size on your vehicle can alter your speedometer's speed reading, sometimes up to 10-15 MPH! Not anymore! This module gets your speed readings from bouncing a signal off of satellites that mark your global positioning instead of getting readings from your transmission so it is ALWAYS accurate, no matter what changes you make! Plug & Play antenna works with any Auto Meter electric speedometer. Sealed against moisture & dust. Lightning fast 10 Hz update rate.