The Glomora Green LED Digital Tachometer is designed for precise RPM measurement, featuring a clear 4-digit green LED display that provides accurate readings up to 9999rpm. This tachometer comes equipped with an NPN Hall proximity switch sensor, offering high precision and quick response for reliable performance. With its compact size of 79x26x43mm and compatibility with a wide voltage range of 8-24V, this tachometer is suitable for a variety of applications, including motorcycles, engines, and machinery. The included round magnet and cable make installation straightforward, while the durable design ensures long-term use. Avoid common pitfalls like miscounting by using the recommended magnetic switch, which has a longer lifespan than mechanical switches. Perfect for hobbyists and professionals alike who need a dependable and easy-to-use tachometer.