A501C On-board multifunction display terminal ,also known as Car trip computer, is a multifunctional, comprehensive,customer-oriented car information display terminal. With the car trip computer system, the users not only can know most of the car information, but also and setup the inner functions of their cars to more personalized and humanized. A car trip computer is not only a car information display system, but also a powerful fault detection device. The car users can find whether the car has a detect or not through the car trip computer. The system can show the fault information in details so that the car user can remove the hidden trouble for their cars. 1. Water coolant temperature display and early alarm, 2. Vehicle over-speed display and early alarm, 3. Shifting reminding early alarm. 4. Engine OBD fault code early alarm; bring car owners great convenience for safe driving. 5. Clearing fault codes. 6. Display engine data stream and monitor engine running. 7. Digital speed meter, display data can adjustable as you need. 8. Trip itinerary planning before driving. 9. Fuel consumption display and calculate fuel endurance mileage, and it can early alarm. 10. Battery load charging voltage display and early alarm. 11. Engine running speed RPM. 12. Vehicle maintenance cycle reminder. 13. Car and infotmation setting. Line Length: 1. operating current:80mA operating current:10v-18v DC Standby current:Less than 15 mA colour:black Material:plastic size:70mmx100mm Package Contents: 1 * A501C OBD Gauge Head-up display 1 * Main Cable ( 130cm ) 1 * Absorb Holder 1 * Stand Holder 1 * English User manual Notice: 1. A501C don't support the J1850 protocols , some Japan car model maybe can't work , please know it . thanks. Only the above package content, other pro