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 to configure programmable maintenance time to remind you when to change oil or other . Waterproof, easy to install Weight: 60g Digital Engine Tachometer Battery life: 2 - 3 years colour:Black Material:ABS size:46.7 x 57mm Package Contents: 1 x digital tachometer 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 3. Suitable for any 2-stroke or 4-stroke gasoline engine. 5. Use the service to configure programmable maintenance time to remind you when to change oil or other . Waterproof, easy to install 1. High quality new instruments and meters with large LCD 2. Suitable for cart engines in the 25,000 + RPM range 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