--Alarm: overspeed alarm, speed alarm, water temperature alarm, voltage alarm, tilt alarm

--GPS mode function: vehicle speed, voltage, satellite time, altitude,ect

--Features: OBD+GPS+Gradiometer+Ambient light+12 language settings + 12 grids

--Cars that cannot be used in OBD mode are recommended to be used in GPS mode.

--Appearance size: 118 x 82 x 28 (mm)

Description:
Name: Car head-up display                
Material: ABS+PC
Model: P21
Screen type: LCD
Screen size: 3.5inch
Appearance size: 118 x 82 x 28 (mm)
Resolution: HD
Compatibility: strong
Input signal: OBD2
Picture tube: TFT
Item No.: P21
OBD2 mode is not applicable to the following common car models:
▲ OBD 2 models that cannot be used in the U.S. series: Dodge, JEEP, Sail, Chrysler, and models produced before 2004 and 2004
▲All French and Italian models of OBD2 cannot be used: such as: Fiat, Maserati, Lamborghini, DS, logo, Citroen, Renault, Simca, Amirka, etc.
▲ OBD 2 Japanese models that cannot be used: Mazda 3/6, Infiniti (QX50 q50 q501), 2013 Toyota avanza, Lexus (is250, ex250, ES300H) Honda (jazz, CRV) and cars produced before 2008.
▲Some Korean Kia and Hyundai models cannot use OBD models (2013 Hyundai Sonata, 2017 Kia Soul PS, etc.)
It is recommended to use the GPS mode for hybrid gasoline-electric vehicles, diesel vehicles, pickup trucks, RVs, and modified car computers.
features:
1. OBD mode function: car speed, water temperature, voltage, fuel consumption, speed, clock, single driving time, driving distance (single/cumulative), intake pressure, oil temperature, air-fuel ratio, turbine pressure, altitude, driving direction, throttle, intake air temperature, gearbox temperature, engine load up and downhill Angle left and right tilt angle acceleration test brake test
2. GPS mode is suitable for all cars
Applicable models in OBD mode:
The scope of application of OBD2 models: most of the OBD2 agreement gasoline vehicles produced in the United States after 2004, and most of the OBD2 agreement gasoline vehicles produced in other regions after 2008
3. GPS mode function: vehicle speed, voltage, satellite time, altitude, number of satellites, driving direction, single mileage, driving time, up and down slope angle, left and right tilt angle, acceleration test, brake test
4. OBD+GPS+Gradiometer+Ambient light (blue, red, purple switch)+12 language settings (English, Chinese, Simplified, Chinese, Traditional, Thai, Japanese, Korean, Russian, Arabic, Malaysian, Spanish, German, French) + 12 grids
Packing list:
1XCar head-up display                             
1x obd cable
1X USB cable
1X small suction cup holder
1X instructions
1X double sided adhesive tape
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.