1Compatibility: The tachometer works with 4, 6, and 8 cylinder engine vehicles, making it suitable for a wide range of vehicles and engine types, ensuring compatibility for versatile use. 2Clear Display: With precise numerical displays, users can easily understand the working status of the engine system and receive real time pressure monitoring, helping them better grasp the performance of their vehicles. 3High Accuracy: Equipped with a precise sensor, the tacho gauge provides accurate and reliable readings, ensuring precise and reliable data. Whether used for everyday driving or in racing scenarios, it offers reliable data support. 4Secure Installation: The tachometer is designed to provide the best and most secure connection, allowing it to function properly even under strong vibrations or rough road conditions. 57 Color Displaying: The tachometer offers 7 different color options, adding a unique element of personalization and enhancing the overall style and personality of the vehicle. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.