Features: HUD Display:This monitor can measure speed at any time and will alert at any angle without blind spots. High definition display real-time updates. Wide Viewing Angle: Golden ratio wide viewing angle more in line with driving vision clear and natural placement in any case. USB Power Supply: Complete power off when the car is turned off automatic startup and shutdown no power theft. Three sections of overspeed alarm can be set to remind you of fatigue driving after 8 hours of continuous driving. Suitable for All Vehicles: New energy vehicles/trucks/fuel vehicles/hybrid vehicles etc. Those carswith USB interface can use it. After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: PC + ABS Color: Black Application: For USBInterface Cars Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. includes: 1 * Car HUD Display 1 * USB Cable