Whelen 3-LED Under-Lightbar Mounting Bracket NPBKT3 Scene & Spotlights LED Lights The SS3's backlight fully illuminates

The SS3's backlight fully illuminates the TIR optic

but for optimal performance

Certified LED Ambulance Flasher

1000 Lumens of intense lighting

Whelen 3-LED Under-Lightbar Mounting Bracket NPBKT3 Scene & Spotlights LED Lights The SS3's backlight fully illuminatesMounting Brackets (Pair) and Hardware for Two Pioneer Nano 3 LED Series Lightheads Under a Lightbar, Black (Requires Minimum Clearance of 3" from Base of Lightbar to Top of Flat Roof Surface), Lightheads Purchased Separately Features: Optic lens changes easily via removable lens retainer Injection molded polycarbonate lenses are impact resistant and hard coated Die cast aluminum powder coated housing in Black or White LEDs are instant On Off,