85mm GPS Speedometer Odometer Gauge For Car Marine Boat Yacht Truck sq
(1) SOG: Ground speed. Display Function 2) Red Wire: 9-30VDC. Wiring Connection 4) Wide range of application. 2) Can freely switch the speed unit of kont, mph, km/h. 1) Made of high quality material, waterproof, durable, has long service life.