Longacre Accutech Digital Tachometer

Longacre's AccuTech Digital Tachometer features state-of-the-art electronics that allow for an accurate reading within 10 RPM. Weighing only 1.5 ounces, the digital tachometer offers a fast response and easy recall of the MAX RPM. High RPM warning light helps prevent motor damage. The self powered unit (300+ hours via battery) can be optionally hardwired to the car and includes a protective mounting bracket.