1. It features high precision, simple operation, and easy installation. Both the numbers and the pointer can clearly show the pressure. 2. This gauge base is compatible with all 52 - millimeter (2 - inch) gauges. It is an automotive boost gauge with high durability, performance, stability, and comfort. 3. It has a clear and bright LED display at night. The LED display is bright and sensitive, with clear digital display and pointer, enabling you to check the vehicle status at any time. 4. The front - mounted design can add individuality to the car. 5. The gauge base can be placed on any flat surface of the dashboard and can also be used as a starting mold for fiberglass. 6. Packing list: 1 turbocharger. 7. We only sell turbo gauges, and other items in the picture are not included. 8. Due to differences in different monitors, the pictures may not accurately represent the actual color of the item. 9. Since the measurement is manual, slight dimensional errors may occur.