1,Excellent Material: The tachometer is made of aluminum alloy, which is strong and durable and can withstand harsh environment and weather use. 2,Strong Compatibility: Excellent contact of tachometer, suitable for use in generator sets, instrument boxes and other machines. Transparent cover with dustproof and waterproof function, long service life of tachometer. 3,Superior Performance: Strict quality control and quality assurance, high accurate and reliable tachometer, not easy to make mistakes. Stable operation and excellent performance when used. 4,Measuring Range: This tachometer is used to measure diesel engines in the range of 0 to 3000 RMP, with high accuracy. 5,Easy to Install: This tachometer is easy to install and does not require any sensors, making the installation process fast and simple. Item Type: Tachometer Model: 3049555 Material: Aluminum Measurement Range: 0 to 3000 RMP Flywheel Teeth Range: 100 to 199T (Note: power off and restart after setting the number of teeth) Scope of Use: Generator sets, instrument boxes 1 x Tachometer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.