If any questions,please do not hesistate to contact me. NOTE: Multi-color design makes the screen more abundant and easier to read.When it is the first time to use, please connect car charger to car cigarette lighter, after get charged, red satellite icon flash and start to search the satellite number, when the satellite icon become green color, HUD can work.NOTE: Important Info.The principle of the speed displayed on A5 Heads Up Display is calculating the speed of the car through the GPS signal. It will show "0" when there is no signal source, and the speed displayed on the device will be 1 second slower than the speed of the dashboard in your car. This is normal!If you care about it, buy it carefully! Specification: Working Voltage: DC8-18V Working Current: 40mA Sleeping Current: 15mA Compass Precision: ±1° Speed Range: 0-400KM Real Time Precision: The same as satellite Satellite Positioning time: Cold Start: 30s, Hot start: 1s HUD Size: 3.6 x 2.1 x 0.5in 12V Car Charger: 1000mA HUD Weight: 40g Package Included: 1 x Head Up Display 1 x Car Charger 1 x Reflection Paster 1 x Stand 1 x English User Manual
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