Quest Redline Q2552 Undercar Light Neon Extra Bright Purple Underbody Kit with 2-48" and 2-36" Tubes, 4 Modes Control Box and All Necessary Wiring and Harness Plus Step-By-Step Instructions Includes: 2 - 48" and 2 - 36" Tubes, 4 Modes Control Box and All Necessary Wiring and Harness Plus Step-By-Step Instructions 4 Modes: Steady On, Flashes to the Music, Flashes to the Engine Rev and Auto Flash Powerful 10,000 volt transformer Up to 10x brighter than any other tube Universal 12V installation