Descriptions: Display information: driving speed, RPM, water tank temperature, battery voltage, mileage, fault detection code, fault elimination code Alarm: overspeed alarm (single/four segment), RPM alarm, water tank temperature alarm, battery voltage alarm, fatigue driving reminder Features: High brightness color LED screen, non-destructive installation, plug and play; Comes with a hood: display and shading integrated design, clearer display, no glare; Rich data display: driving speed, RPM, water tank temperature, battery voltage, automatic power on/off, driving mileage, km/mile switching, support detection and elimination of car fault diagnosis code, no need for professional equipment; There will be an alarm sound for overspeed, low voltage, or high water temperature; 3 display modes (standard mode, compact mode, competitive mode): 9 kinds of display screens are available to be switched by one button; Start and Sleep with car, effectively protect car battery while retaining the manual power on/off, more beneficial to control the HUD. Specifications: Use condition: -40~ +120 C, 86-106 kPa Relative humidity: 10% - 95% Environmental noise: <60dB(A) Operating voltage: 11V~18V DC (12V DC/200mA) Standby current: about 20mA Imaging screen: LED display Product size: 90*53*26mm/3.54*2.09*1.02" Gross weight: 170g Applicable models: For OBD2 protocol gasoline vehicle produced in the US after 2004 For OBD2 protocol gasoline vehicle produced in other regions after 2008 Packages: 1 X HUD 1 X OBD Cable 1 X Anti-Slip Mat 1 X Reflective Film 1 X Manual