Product details:

The INNOVA Digital Timing Light is a top-of-the-line timing light for the selective do-it-yourselfer. The split-screen digital LCD readout displays tachometer and advance functions simultaneously (Digital Tach: 249 to 9,990 RPM / Digital Advance: 0-90 degrees). This timing light works with most ignition systems (conventional, electronic and computer controlled systems - domestic and import). The slim, rotating barrel offers better aim at the timing mark. Additional features include: detachable leads with metal inductive pickup, protective hand guard for one-hand operation and patented skip circuitry test up to 9,990 RPM. Proper ignition timing is critical in order to achieve peak engine performance and to ensure maximum fuel economy.