Edwards 51 Series flashing incandescent beacon with integrated horn are combination visual and audible signaling devices, designed for indoor or outdoor applications. The integrated horn is synchronized with the flashing incandescent. The base is cast and can function as a junction box. The double Fresnel lens is made of shatter resistant polycarbonate and optically engineered to maximize light distribution and viewing distance. Often used in airport baggage carousels. Lens color RED.