Suitable for various vehicle modifications, this GPS speedometer features a stepper motor drive pointer for accurate engine speed display and an LCD screen that clearly shows mileage. Designed with high precision, repeatability, versatility, reliability, and stability, the device offers simple drive and control operation. The speedometer uses a stepper motor drive pointer to accurately display engine speed, along with an LCD display for clear mileage indication. Name: GPS Speedometer Operating Voltage: 12V/24V Wiring: Red - Battery (+9-32VDC), Blue - Battery (-), Orange - Backlight (+9-32VDC) Indicating Range: 0-200KM/H Input Signal: GPS signal with GPS antenna Protection Class: IP67, suitable for operation up to 1 meter underwater Color: Silver + Black Material: ABS Plastic Package Contents: 1 x Speedometer 1 x GPS Antenna Note: Light and display differences may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error is +/- 1-3 cm.