About this item

• 【Product Introduction】This is a multi-functional dual system car head-up display, the display can show car data and driving data on the product screen, you don't need to look down to check the car data. The product box contains double-sided adhesive stickers and suction cup bracket, you can install it on the car centre console or on the windscreen.
• 【Product Features】This flat screen display has multiple function displays to meet your various needs. It adopts 3.5-inch colour LCD display with clearer fonts; the speed unit can be freely switched between MPH and KM/H; the HUD tachometer is available in 12 languages; blue, red and purple ambient lights can be freely matched according to the buyer's preference.
• 【Function display】 OBD mode function: vehicle 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 valve, intake temperature, transmission temperature, engine load, up/down slope angle, left/right tilt angle, acceleration test, brake test. GPS mode function: vehicle speed, voltage, satellite time, altitude, number of satellites, driving direction, single mileage, driving time, up/down slope angle, left/right tilt angle, acceleration test, brake test.
• 【Multiple alarm functions】The car head up display has many alarm functions, and the OBD mode has overspeed alarm, speed alarm, water temperature alarm, voltage alarm, and tilt alarm. GPS mode has overspeed alarm, low voltage alarm, tilt alarm. These functions can make you drive with peace of mind, very safe and reliable.
• 【System and Mode】This product is a dual system display with OBD mode and GPS mode, which can be connected to satellite signals to read your car data for accurate display. It is also possible to read data from the vehicle's on-board computer (ECU) with the 0BD standard through the car's OBD interface and process it to provide practical data information for drivers.
• 【Note】The OBD system is only applicable to gasoline vehicles after 2009,while the GPS system is applicable to all vehicles. Please switch to the GPS system for other vehicles. This product is only applicable to vehicles with OBD2 protocol and EU-OBD protocol (after 2009). This product does not support JOBD and OBDI. The OBD model is not compatible with hybrid electric vehicles, diesel vehicles, pickup trucks, RVs, and computer modified vehicles. The following brands are not compatible with the OBD2 system: Renault/Peugeot/Citroen/Fiat/Jeep/Dodge/Jazz/RV/Hummer,etc. (Note: If you want to use OBD mode but are unsure if your car is compatible with OBD,please confirm with us before purchasing.)
• 【Slope Meter】The difference between this product and other products is that it adds the function of slope meter. This product can monitor the driving angle, up and down slope of the car in real time. Whether you choose GPS mode or OBD mode, this product is able to use the gradient meter function, not limited by mode, to protect your car and journey.
• 【Professional OBD GPS Gauge】The P21 features an enhanced display and scanning function for automotive diagnostics that allows vehicle owners to quickly read and delete DTCs (engine trouble codes) and view real-time data streams that can help you check why the check engine light is on and clear the trouble codes, eliminating the need for time-consuming trips to the auto repair shop.