Universal Electronic Car Auto LED Digital Display Turbo Timer Delay Controller Specifications: This turbo timer enhances the longevity of a turbo engine by ensuring a proper circulation of engine lubricating oil. It determines the optimum amount of engine idling time needed for cooling down after ignition have been switched off, and thus prevents oil coking in the center bearing cartridge assembly due to high temperatures of the turbo. It takes up very little space. Item Name: Turbo Timer Material: Plastic Features: Simple Design, Easy to Install, Durable Size: Length: 12cm/4.72" (Approx.) Width: 4cm/1.57" (Approx.) Notes: Due to the difference in the configuration of the light and the screen, the color of the item may be slightly different from the images. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Turbo Timer