Feature: 1. High Precision and Wide Compatibility: Our tachometer boasts a precise measurement range of up to 8000 RPM, ensuring accurate engine speed monitoring for vehicles with 1 to 8 cylinder gas powered engines. Its versatility makes it suitable for a broad spectrum of cars, trucks, and motorcycles, enhancing its market appeal. 2. Compact Design with Enhanced Visibility: With a compact 55mm diameter, this tachometer fits seamlessly into most instrument clusters without obstructing the driver's view. The clear, easy to read display ensures quick glance readability, even in bright daylight or at night, thanks to its white illumination design. 3. Sturdy and Weather Resistant: Constructed from premium materials, this gauge is designed to withstand harsh automotive environments. It's resistant to vibration, heat, and moisture, ensuring longevity performance under various driving conditions. 4. Easy Installation and Calibration: We provide detailed instructions for a straightforward DIY installation process that doesn't require specialized tools or expertise. Additionally, the tachometer offers simple calibration to match your engine's specifications, ensuring accurate readings right out of the box. 5. Enhanced Driving Experience and Engine Protection: By providing real time RPM data, our tachometer empowers drivers to optimize gear shifts, prevent over revving, and maintain efficient engine operation. This not only enhances the overall driving experience but also contributes to extending the life of the engine by avoiding unnecessary strain. Specification: Item: Tachometer for Car Material: ABS Color: Black Panel Panel Diameter: 55mm . Package List: 1* Tachometer for Car 1* User Manual