• Professional set initial and advance timing to obtain total timing and peak performance
• Super bright xenon flash, and a high Vis LED display
• Designed for precise tuning and diagnostic work
• Display engine speed up to 9,000 RPM, and ignition spark advance from 0-90º
• Pushbutton control to adjust advance and switch between 4 and 2 cycle engines
• Tough ABS shell, long inductive pickup leads and works with 12 volt systems