![Whelen 4" Round Extended Lens Super-LED](http://ypsignal.com/cdn/shop/products/2ec00zrr_780x700.jpg?v=1633513792)
![Whelen 4" Round Extended Lens Super-LED](http://ypsignal.com/cdn/shop/products/2ec00zrr_780x700.jpg?v=1633513792)
This fully encapsulated heavy duty 4 inch round super-led has two LINZ6 type reflectors. Super bright linear from " Whelen" illuminates your way forward and makes you drive safely. The appearance of the lamp has a unique design that prevents rainwater from entering the lens. They are self-contained (built-in flasher), no power supply is needed! Wire them directly to your fused switch.