Introductions: Hard driving can raise engine oil temperatures to dangerously high levels. Proper cool down is essential for a healthy turbo and engine. If the vehicle shuts off immediately after driving, rapid cooling will damage the turbine. If you are fond of car modification, try our Automatic Turbine Timer Black Pen Control with Blue LED! It combines premium T6061 aluminum material and delicate workmanship, durable, reliable and safe to use. It is a universal item that fits for most automobiles! Order it right now!Features: 1. LED display function is more explicit 2. Automatic countdown function is more convenient 3. Protect the turbine from rapid cooling damage 4. Fit for most automobiles 5. Parking brake function is safe and reliableSpecifications: 1. Color: Black 2. Material: Aluminum 3. Dimensions: (2.87 x 2.6 x 4.06) / (7.3 x 6.6 x 10.3)cm (L x W x H) 4. Weight: 4.23oz / 120g 5. LED Color: BluePackage Includes: 1 x Automatic Turbine Timer Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.