The newly designed, low-profile Inner Edge RST Series better utilizes vehicle contours, providing higher visibility and a custom fit. Whelen's all-new, Proclera Silicone Optics increase clarity and have the power to punch through tints. The Inner Edge RST Series is available with SOLO , DUO , or TRIO technology.

The Inner Edge RST Series now features BroadBand Blue . BroadBand Blue delivers a higher intensity, creates a larger optical image, and produces a more consistent color, all while being easier on the eyes - especially at night.