escription Name: Digital tachometer Features: 1. High quality new instruments and meters with large LCD 2. Suitable for cart engines in the 25,000 + RPM range 3. Suitable for any 2-stroke or 4-stroke gasoline engine. 4. With reset function at zero hour, the hour meter reads up to 10000 hours, then returns to zero, the tachometer can read up to 99,999 RPM 5. Use the service icon to configure programmable maintenance time to remind you when to change oil or other services 6. Use the S1 and S2 buttons to select the motor type and use the black winding wire around the spark plug on all spark-ignition engines. 7. Waterproof, easy to install Features: Material: ABS Size: 46.7*57 (mm) Weight: 60g Colour: Black Features: Digital Engine Tachometer Battery life: 2 - 3 years Feature 1: Built-in battery, safe and reliable Specifications: Quartet, clip packing list 1* digital tachometer 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.