Features:

• Through the dial incandescent lighting features bright, distinctly illuminated numbers and includes red and green bulb caps for multiple illumination color options
• Compatible with most 4, 6, and 8 cylinder engines (2 - 4 pulse per revolution ignition signals) with points, electronic, and most 12V high-performance racing ignitions.
• 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
• Optimize use of your engine's power band and improve vehicle run performance and driver gear changes with a rapid response, high visibility user-programmable shift light.