Whelen Edge 9000 Ultra Freedom all Linear-LED® lightbars feature ultra bright, ultra wide-angle Super-LED® technology. Designed for rough treatment; providing heavy-duty, long life operation with low current draw. Lenses and lamp modules are of equal size so that they can be placed anywhere in the lightbar. Most Whelen lightbars are easily upgraded with Super-LED LR11 LED take-down or alleys for steady-burn or flashing operation, with field-proven reliability. Now you have the “Freedom” to easily build the exact lightbar you’ve been looking for.