Suitable for various vehicle modifications, this GPS speedometer features a stepper motor drive pointer for accurate engine speed display, along with an LCD screen that clearly shows mileage. It offers high precision, repeatability, versatility, reliability, and stability, with simple drive and control operation. The speed odometer uses a stepper motor drive pointer to accurately display engine speed and includes an LCD display for clear mileage reading. 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, includes GPS antenna Protection Class: IP67, suitable for use 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 color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.