Applicable to domestic car series, Asian car series, American car series and European car seriesEquipped with high-precision GPS + Beidou dual-channel moduleFully automatic monitoring of vehicle driving conditionsSuper font HD displayLED light displayDesigned with PC high temperature resistant material with the car, automatic sleep function when parkingDouble display on front and backSpeed, time, temperature displayOverspeed alarmThis product is a car HUD rear window display instrument, through GPS/NorthThe dual-channel module obtains data from satellites, and has the advantages of dual-signal stability.Universal for all models on the market.Product parametersGPS car Power supply: 11.5V~30V;Working environment: -40~+80;Speed range: 0~199;Clock error: Less than 1minute;Colour:blackMaterial:PCPackage Contents:1 x heads up displayOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.