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, it offers simple drive and control operation. The speed odometer uses a stepper motor drive pointer to accurately display engine speed, along with 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: 0-200 km/h Input Signal: GPS signal with GPS antenna Protection Class: IP67, suitable for use underwater up to 1 meter Color: Silver + Black Material: ABS Plastic Package Contents: 1 x Speedometer 1 x GPS Antenna Note: Light and screen display differences may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 1-3 cm.