Product: ACECAR Upgrade T800 Universal Car HUD Head Up Display Digital GPS Speedometer with Compass Driving Latitude and Longitude Speedup Test Brake Test Overspeed Alarm HD LCD Display for All Vehicle
Brand: ACECAR
It's a very good reminder,and will improve the safety of driving
Because It will rise beep beep voice for couple seconds when over the speed that you had set (default speed: 150km/h)

 Description:
Color:muti-color ,can be switched freely
 Material:ABS+PC
 Display size:4.3Inch
Product size:107x57x20 mm
 Packing:Box packing
 Packaging Size:14.6x 8.8x 4.8 cm
Package included:
 1*HUD host
 1*User Manual
1* car charger cable 
1*Double-sided tape 
 
 ATTENTION:
1. Speed data display error: Because the system is designed to warn drivers not to overspeed. Therefore, the HUD's default display speed is 5-10 km/h higher than the actual driving speed of the car. You can adjust the data to be synchronized when using. There is no need to adjust again in the future. 
2.Sleep Voltage: Default is off ,if the device can’t auto off,please adjust the voltage at 13.2V or higher
 
 What's the Difference Between GPS and OBDII?
 
 1. GPS works for all vehicles, but it doesn't show as much data as OBDII.
 2. OBDII has more powerful features and data, but is only suitable for vehicles produced after 2008.

🚙【What is HUD?】 Short for Head Up Display. It displays driving data on its 4.3 inch TFT LCD screen such as speed,driving direction,voltage single mileage etc. HUD avoids the danger of drivers looking down at the dashboard. It ensures the safety of drivers.
🚙【RICH CONTENTS 】Compass,Driving latitude and longitude, Vehicle speed, driving direction, voltage, driving distance measurement, driving time, low voltage alarm, over speed alarm, satellite time and number, altitude, freely switch between kilometers and miles,speed up test, brake performance test. Multi function display or simple function display can be switched freely.
🚙【HD Display 】ACECAR HUD has a 4.3-inch full screen and is equipped with a high-definition 2.75-inch TFT LCD screen, which displays the information more colorful, clearly and Super Slim design, full of technology.A variety of operating interface modes and colors can be switched freely, It will bring more fun and Technological sense to your driving experience.
🚙【WORKS FOR ALL VEHICLES】ACECAR HUD is based on the GPS module inside. WORKS PERFECT FOR ALL VEHICLES. Auto power on/off function, the HUD will start or turn off automatically with vehicle ignition, can effectively protect your vehicle's battery. Automatic and manual brightness adjustment mode, driving without glare.
🚙【Quality service】CE FCC RoHS Certification, Superior quality. This hud also can test the vehicle's 100-kilometer speedup and driving distance,and the test results are very accuratly,let you know the performance status of the vehicle.If you have any questions about this product, please feel free to contact us. We will get back to you as soon as possible and help you solve the problem.

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