Features Excellent Material: The tachometer is made of aluminum alloy, which is durable and can withstand harsh environments and weather use. Strong Compatibility: the tachometer is in good contact, suitable for use on generator sets, instrument boxes and other machines. The transparent cover is dustproof and waterproof, and the tachometer has a long service life. Superior Performance: Strict quality control and quality assurance, the tachometer is accurate and reliable, and it is not easy to make mistakes. It runs stably and has excellent performance when in use. Measuring Range: This tachometer is used to measure diesel engines in the range of 0 to 3000 RMP with high accuracy. Easy Installation: This tachometer is easy to install and does not require any sensors, making the installation process quick and easy. Specification: Item Type: Tachometer Model: 3049555 Material: Aluminum Voltage: 10 to 32VDC 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 Package List: 1 x Tachometer Package List 1 x Tachometer