🚗 ACECAR Universal Smart Gauge: 3 inch OBD2+GPS Speedometer Upgrade with Slope Meter, Compass, Speed, RPM, Warning Function - Suitable for All Vehicles Review

OBD2 Meter Compatible Cars - OBD2 only be available for vehicles produced after 2008. GPS MODEL Perfect Suitable for All Vehicle. ( If your car is not compatible with OBD mode, please use GPS mode. If you are not sure if your car is compatible, please contact us prior to purchase.) Dual System, Change free. OBDll mode is not compatible with hybrid electric vehicle, diesel car, pickup truck, RV, computer modified car. Clear and Intuitive Display - The tachometer's analog display has a pointer that moves to indicate RPM, so you can visually identify the engine RPM value. With multiple display screens, you can switch to your preferred screen at will. The digital speed readout is easy to see at a glance, so you can concentrate on driving without looking down at the dashboard, avoiding distractions and even accidents. Some can also display various values such as speed, altitude, water temperature, and voltage. Fault Code Clearing - When the engine warning light in your car's instrumentation comes on, it indicates that something is wrong with the car, but with the P21 speedometer, you can clear the codes yourself without having to spend money to the repair shop. There's also an acceleration test and a brake test so you can get a better idea of your car's performance. Multiple Fault Alarm Functions - additional instrumentation is equipped with six fault alarm functions: low battery voltage, high water temperature, RPM, over speed, engine fault, and excessive tilt angle, making driving safer and easier. Quality After-sales Service - CE FCC RoHS Certification, Superior quality. The chip with powerful performance and compatibility to make sure dual system, dual-run memory and dual-core processor high-speed operat. Within the warranty period, in the event of malfunction under normal use, we will repair or replace the ACECAR HUD Head-Up Display free of charge.