KWHUD H2 HUD Head Up Display GPS Digital Speedometer for Car Speed Gauge Meter M

Compatible With:
Suitable for All Cars, Motorcycles, Trucks.
Function:
Speed(KM/H, MPH), Compass(E, S, W, N), Speed Alarm, Automatic&Adjustable Brightness, LED Atmosphere Light, Three Main Interface.
Product Description:
Item Type: Speedometer
Material: ABS+Plastic
Size: 80*54*31 mm / 3.15*2.12*1.22 inch
Power Supply: Car USB Port
Input Voltage: DC 5V
Function: Speed(KM/H, MPH), Compass(E, S, W, N), Speed Alarm, Automatic&Adjustable Brightness, LED Atmosphere Light.
Speed Alarm Function:
The light will flash once the speed is over your preset speed limit;
Three Main Interface, Free to Switch.
you can move up/down the button to adjust the interface.
Automatic & Adjustable Brightness:
The brightness will automatically adjust according to the environment light; and you can also adjust it by yourself.
Package Included:
1 * Speedometer
1 * USB Cable
1 * Non-slip Mat
1 * User Manual
How To Install:
1. Before installing, please drive your car outside, not in the garage or indoors, and then open your car window;
2. Please connect the USB cable to your car's USB port, connect the other end of the cable to your device;
3. Stick it on the dashboard, start your car, it will take about 1-3 minutes to search for the signal ( Please Note: The sensor must face the windscreen of the car and can't be hidden).
4. When "0" appears, the installation is complete.
FAQ:
1.How to adjust the speed error?
--Long Press the button to enter into the setting interface; 
--Scroll up/down the button to adjust the number to -4,short press the button to save it.
--Scroll up/down the button to adjust  the value(default is 100).For example,
If the vehicle speed is 100, the device shows 103, the speed error is above 3, you can adjust the value to 97;
If the vehicle speed is 100, the device shows 97, the speed error is less 3, you can adjust the value to 103.
--After that, short press the button to save it. Release your hand, wait for 5 seconds, it will automatically back to the main interface.
2. How to adjust the speed unit from KM/H to MPH?
--Long-press the button, enter into the setting interface; 
--Scroll up/down the button to adjust the number to -1, short press the button to confirm it. 
--Scroll up/down the button to adjust the the speed unit; 
--After that, short press the button to save it. Release your hand, wait for 5 seconds, it will automatically back to the main interface.
3.How to adjust the speed reminder limit?
--Long-press the button, enter into the setting interface; 
--Scroll up/down button to adjust the number to -2, short press the button to confirm it. 
--Scroll up/down button to adjust the number to your prefer speed alarm limit, default is 120km/h.
--After that, short press the button to save it. Release your hand, wait for 5 seconds, it will automatically back to the main interface.
4.How to Adjust the Brightness?
--Long-press the button, enter into the setting interface; 
--Scroll up/down button to adjust the number to -3, short press the button to save it. 
--Scroll up/down button to adjust the number to your prefer brightness(0 is automatic brightness, the higher the number, the higher the brightness).
--After that, short press the button to save it. Release your hand, wait for 5 seconds, it will automatically back to the main interface.