• Records RPM all around the track - Replay in the pits
• Records & stores up to a full hour, in multiple session
• Easy playback at real time speed, 1/3 speed, or double speed
• In replay mode the digital timer lets you track when & where the RPM was recorded
• Numbers are LED back lit & the pointer is illuminated
• Digital display shows max RPM
• Will work on most non-magneto ignition systems - 4, 6, or 8 cylinder
• Easy to use and recall
• Tach goes through a full pointer sweep and turns on all LEDs for selt Test when starting