C80 C90 C60 C60S Digital GPS Speedometer Car HUD Head Up Display KM/H MPH Speed Display Over Speeding Alarm System Universal for Bike Motorcycle TruckFeatures:1. Safer driving-the visual time from the main direction is reduced by 99%, and slight eye movement can capture the speed information.2. Easier driving-reduce the frequency of line-of-sight adjustment, adjust the intensity of the eyeball direction, and reduce eye fatigue.3. Paengers feel more comfortable-the speed information is publicized, which improves driving safety and comfort; suitable for taxi and special cars.4. Clearer display-under strong sun light or at night, you can choose different installation positions and clearly display the speed value.5. Acquire speed data from satellite-accurate, timely, and authoritative.6. Simple installation-External 5V DC power supply, work normally even powered by external low-power mobile power banks.7. Overspeed alarm-can set different alarm speed values.8. Fatigue driving alarm-every 1 hour of continuous driving, it will alarm 1 time.9. Unit of Measure Switching-Quickly switch speed measurement units (KM/H and MPH) to meet the needs of different areas.10. Mileage and driving time-The car will automatically display the current mileage, the current driving time and the total mileage.11. Intelligent display brightne control-under strong sun light, the speed display brightne will automatically increase. Under low light, the speed display brightne will automatically reduce.12. Altitude and local time display.Specifications:Model: C80/ C90/ C60/ C60SScreen size: 4.5 inch (C80); 5.5 inch (C90); 3.0 inch (C60); 3.0 inch (C60S)Product material: ABS+PCInput voltage: DC 5VInput current: 50~120mA, can be powered by power banks (It has no built-in lithium battery and only saves the total mileage data when power is off, other data is not saved)Satellite positioning speed: 1 to 3 minutes in open space; no satellite signal when indoor. (rainy days affect satellite positioning speed)Working temperature: -30~80CNotes:1. There may be slight size deviations due to manual measurement, different measuring methods and tools.2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. 1 X GPS Speedometer1 X USB Cable1 Set X Installing Acceories1 X Manual