These GPS speedometers provide accurate speed over ground readings and heading information all in one attractive package. Available in various speed ranges to meet your application, the GPS speedometer is offered in a number of popular styles to match the colors in your boat like Premier Pro, White Premier Pro, Amega, Arctic, Eclipse, Lido Pro and Argent Pro instrument lines. Rated for 60 MPH and comes in a size of 3 in. 0-60 MPH dial range Gauge Size: 3 inches GPS speedometers provide accurate speed over ground readings Included LCD heading display to show course over ground