52mm Auto Barca GPS Tachimetro Misuratore 0-299Km/H MPH Nodi NSWE Luce Bianca 12V 24V
“UNIT”(switch unit between km/h, mph or knots). After selecting “UNIT”, the screen will show km/h, mph or knots. Then restart to save the setting. The gauge will show speed in knots/km/mph. Remove fastening ring (I), insert gauge from front.