ELING 110mm GPS Speedometer Odometer 0-200km/h for Auto Marine Boat RV with Red Yellow Backlight 12V 24V

Please note: Please don't connect brown wire which is for factory setting.Thank you. Suitable for all kinds of vehicle modification, the use of stepper motor drive pointer, accurate display current speed, and with the LCD display clear display mileages with instructions of high precision, repeatability and versatility, reliability and stability, drive And control is relatively simple and so onSpeed odometer using stepper motor drive pointer, accurate display of current speed, and with the LCD display clear display odoName: GPS SpeedometerMaterials: stainless steel+nickel-plated plasticOperating Voltage: 12V/24VIndicating Range: 0-200km/hInput Signal: GPS signal, with GPS antennaProtection Class: IP67, can work underwater 1m position1 x GPS Speedometer  1 x Cable  1 x GPS Antenna  1 x Installation Instruction