Custom Dynamics Dual Intensity LED Light BarFeatures Feature 12 super bright LEDs When the brake is applied the LEDs illuminate at full brightness until the brake is released In running light mode the LEDs illuminate dim Work with any 12VDC system with no load equalizer or resistors required 3M double sided tape for easy mounting Specs PRODUCT NAME LIGHT BAR LENS COLOR RED BULB LIGHT COLOR RED LENGTH 11. 5 CM 11,5 CM (4 1 2") 4 1 2" WIDTH 3 4" 19,1 MM (3 4") 19. 1 MM HEIGHT 3 4" 19,1 MM (3 4")