Vjoycar Newest Car HUD Smart Odometer Digital Temperature Meter OBD2 Gauge RU ES FR DE SA EN Multi-Languages Clear Error Code Car Security Acceories Tool Production Review: VjoycarX1 OBD2 Gauge is a smart and powerful auto meter. It is especially designed for vehicle without speedometer, engine temperature gauge, oil thermometer,and boost gauge and fuel consumption meter. X1 can also monitor and display battery voltage, Engine charging voltage, over-speed alarm, engine temperature warning, can even read the real-time data stream, scan and clear faulty code. Its an extremely useful gadget for every driver in the daily life. Production Functions: Display information:Speed, RPM, Coolant Temperature, Oil Temperature, Oil Preure, Voltage, Fuel Consumption, Single Mileage, Total Mileage, Clock, Intake preure, Turbo Boost Preure, Engine Load, Read Data Stream... Multiple Alarms:Overs-peed alarm, RPM Alarm, High water temperature alarm, Low voltage alarm, Engine Faulty alarm, Fatigue Driving Reminder... Special Functions:Scan & Clear faulty code, Free switching between kilometer and miles,KM/h & MPH Switch freely,C & switch freely, Multi-language Display, 100km Acceleration Test, Brake Test... Product Highlights: 1. Only ONE model which can display in multiple languages: English, Spanish, Ruian, German, French, Thai, Arabic, Malaysian, and Chinese. 2.With broadest OBD2 compatibility among the market, it can almost work on the most OBD2 protocols and commands including cars with J1850etc. 3. 4.3' product size, and 3.2'digital LCD display, clear but won't block any view of the car. 4. Support unit switch, imperial unit and metric unit, such as KM -- Mile, Fahrenheit--Celsius, KM/H--MPH. 5. OBD diagnosis, supports OBDII system error code diagnosis and clear faulty code. 6. Different alarms: Over-speed alarm, Engine Coolant Temperature alarm, over-speed alarm, Engine running voltage alarm,Fatigue Driving Reminder. 7. Different interfaces, you can choose any display interface you prefer. 8.. Fast data update rate, low latency and fast response to real time information. 9. Automatic adjustment of brightne during day and night. 10. Supports life-time free update and upgrade software . 11. 2-YEAR