• Professional Timing Light with High Visibility LED display
• Measures ignition spark advance from 0-90 degrees
• 2 & 4 Stroke Tachometer measures engine speed up to 9,999 RPM
• Brilliant Xenon flash at all speeds
• Detachable & replaceable cable set
• Designed for precise tuning and diagnostic work
• Accurate up to 9,000 RPM
• Works with 12 Volt electrical systems