12V Digital LED Turbo Timer for Vehicle Engine Protection with Adjustable Delay Time Features： 1、High useful turbo timer, helps to protect your turbo by cooling down after driving 2、Greatly improving the combustion efficiency of the engine, save a certain amount of fuel consumption 3、All 12V turbo car systems can be installed without damaging any computer circuits 4、The voltage, oxygen content (O2) and air fuel ratio (A/F) can be displayed 5、When matching S-AFC or V-AFC, the best oil supply curve can be adjusted according to A/F data Specification： Feature: High useful turbo timer, helps to protect your turbo by cooling down after driving. Greatly improving the combustion efficiency of the engine, save a certain amount of fuel  consumption. All 12V turbo car systems can be installed without damaging any computer circuits. The voltage, oxygen content (O2) and air fuel ratio (A/F) can be displayed. When matching S-AFC or V-AFC, the best oil supply curve can be adjusted according to A/F data. Compact size and light weight, convenient and space-saving for installation. Vehicles with turbocharged engines are usually equipped with this type of device, but some vehicles with turbocharged engines need to be equipped with this device separately. Specification: Condition: Brand new Material: Plastic Voltage: 12V Optional Light Color: Red(#1), Blue(#2), Black(#3) Package Weight: Approx 252g Fitment: Universal fit for all turbo vehicles with 12V switched power source Package List: 1 * Turbo Timer Device Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly  different from the real object. Please take the real one as standard. Package List：