Wired hour/tach meter.

• Tracks service time and rpm of your machine; perfect for timely oil changes, valve adjustments, spark plug replacements, etc.
• Resettable maximum rpm
• Usable with any gasoline engine
• Adjustable input for dual or single spark ignition systems
• Includes log book for writing down oil changes, valve service, and more
• Real time reading of tach up to 20k rpm
• Record total hours accumulated up to 9,999.99 hours; not resettable/erasable
• Peel and stick or attach with enclosed hardware
• Connects to spark plug wire; no batteries are required
• Safely and completely encased in 100% epoxy