[Car P21 HUD]P21 is a high-quality solution that integrates OBD, GPS, and electronic level. Realize one machine with multiple functions and meet the needs of multiple scenarios. Built-in GPS+BeiDou and chip module, can receive up to 32 satellites. P21 has 12 languages and is currently the most language product on the market. Split bracket, the bracket can be rotated in 360 all directions. It can be hung on the A-pillar or placed in the center console.[Ambient Light]The ambient light is on after on, and the colors are blue, red, and purple (the colors can be switched at will). When there is an alarm, the color will flash red and beep (keep the brightest state), flashing an alarm, safer and more intimate.[Electronic Incline Meter]Real-time monitoring of left and right, downhill, and uphill side inclination angles, providing information on car attitude changes for outdoor off-road and extreme crossings, and ensuring driving safety. Larger font, clearer and smoother screen.[Plug and Play]This car HUD is equipped with 2 cables: OBD cable and USB cable. We don't need to damage your car, just plug them in and use it. (If you want to use OBD mode, please check whether your vehicle has an OBD agreement or contact us for confirmation before buying). GPS mode is suitable for all vehicles. (If your car is not compatible with OBD, please use GPS mode)[OBD+GPS+Gradiometer]Water temperature, voltage, fuel consumption, speed, clock driving time, driving distance, intake pressure oil temperature, -fuel ratio, turbine pressure altitude, number of satellites, driving Direction, throttle, engine load, gearbox temperature, intake temperature, up and down slope angle, left and right tilt, mileage, acceleration test, brake test, 0000.00000N latitude, 00000.0000E longitude.Colour:blackMaterial:plasticPackage Contents:1 x Car HUD 1 x English manualOnly 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.