Multifunctional Car Head Up Display Digital Speed Meter with Oil Temp Voltage for Most Cars Features： 1、Large and clear display, using LED highlighted light beads, still clearly visible under strong light. 2、Function: Display vehicle speed, RPM, water temperature, voltage, fuel consumption, TurbinePressure, engine oil temperature, engine oil pressure, transmission oil temperature, engine load, ExhaustTemperature, and external temperature. 3、Alarm function: vehicle speed alarm, RPM alarm, water temperature alarm, voltage alarm, TurbinePressure alarm, engine oil temperature alarm, engine oil pressure alarm, and transmission oil temperature alarm. 4、AtmosphereLight linkage alarm, gradually flashing from the middle to both sides and emitting a drip sound. 5、When the car starts, this product turns on and turns off immediately after turning off the car engine. 6、Equipped with a built-in light sensor, it can sense the brightness of the external environment and automatically adjust it. 7、Made of fine quality material, high temperature resistance without deformation. Specification： Specifications: Color: black Screen size: 4.6in Cable length: 1.8m Material: ABS+PC Item size: 131 * 63 * 27mm / 5.2 * 2.5 * 1.1in Package List： 1 * Car HeadUp Display 1 * Cable 1 * User Manual 1 * Pryer 1 * Reflecting Film 1 * Double Sided Tape