Amazon GPS speedometer from Bluerice

We test the accuracy of the Bluerice GPS speedometer. This speedometer is sold on Amazon for around $76.00 US as of 7/20/2020. It can change the color of back lighting to seven different colors and comes with the GPS antenna. the unit is simple to wire up with only three wires. mine was red for power, orange for power to the back light and blue for ground.
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