Beacon / Sounder, Flashni, Orange, White, Flashing, 93mm Dia., 2 Tone, 101dB, 24VDC, IP65. The FL/SV/AL/W/D is a Flashni Sounder/Beacon with orange, white module lens. The flashni combines the features of roshni electronic sounder with a fully integrated xenon beacon. The result is an attractively designed unit suitable for installation in internal or external locations where a combination of high sound output and visual indication is required.