Universal HUD Mirror C700S Car Head up display Windshield Speed Projector Security Alarm Water temp Overspeed RPM Voltage Functions1.Decorative lights:always all bright(long pull up the setting button to turn off) 2.Multi functions area:OBD mode:Speed,battery voltage,water temperatureGPS mode:Speed,battery voltage,satellite numbers 3.Unit icons:V=battery voltage, C=Celsius water temperature,F=Fahrenheit water temperature,GPS-satellite icon 4.RPM icon:The engine speed is displayed in OBD mode, and the speed icon is displayed in GPS mode. 5.Light sensor:HUD can automatically adjust the brightness according to the environment 6.Speed unit:KM/H=kilometer/hour, MPH=Mile/hourC700SOBD2 SystemGPS System Display Infomation-Driving speed(Km/h or MPH),OverSpeed Alarm-Engine RPM, RPM alarm.-Voltage, low voltage alarm-Wmater temperature,water temperature alarm-Driving mileage-Driving speed,Over speed alarmVoltage,Satellite numbersmanual or auto adjust the brightnessAlApplied to Available for cars with OBD2 interfaceUniversal for all cars,buses,trucks..Packing List1* HUD body1* OBD cable1*USB cable1* anti-slip mat1* English Manual1* HUD body1* OBD cable1*USB cable1* anti-slip mat1* English Manual Dual-Core operation one-click switching More fluid and stable performance with dual system displayOne click to switch to GPS mode,available for any cars practical functions of poly Energy Dual systemFour kinds of practical driving data ata glanceDial key to open the key direction of the move can be switched at willwithout fear of direct light, eliminating redundant emission, clear display Streamlined design for a more aesthetically pleasing formA smart HUD to protect the driver been troubled by driving safety hazards due to read important information such as the speed while driving. Professional solution design makes performance more powerful Danger has come close with a second of lowering your head 1 second bowing equal to 28km blind driving when speed at 100km/H Apply to all cars in the world. Plug and Play. Working voltage: 11V~ 18VDC (12vdc/200ma),please use a USB cable when voltage higher than 24v