HUD FULL HD 2.6" Auto Digital Meter New Technology of Head Up Display

Technical Parameters: Ambient temperature: -40 ℃ to 80 ℃ Atmospheric Pressure: 86-106KPa Relative humidity: 10% -95% Ambient noise: <60 dB (A) Sound level of the alarm: <30 dB (A) Operating voltage: 9V-16Vdc (12Vdc / 400mA) Product format: 73X68X46 CM Product weight: 50 g 2 years warranty Performance Test Speed test: show speed, distance, drive 400m takes time, drive 100m takes time Brake test: Brake when the speed is above 60 km / h, then display the distance and braking time Troubleshooting 1.The screen without any display,and no power Start the car engine;check if the cable line is tight;or connect the USB to the computer to check 2.Inaccurate time When the device search the satellite successfully(the default 8:00 will change to China local time), set it to your local time and save and exit. 3.Inaccurate Speed When the product is power on,long press in the button to enter into the menu option,and right push once switch to setting,then short press in the button to the menu,and right push the button s