556-3804-304F is a blue domed lens LED panel mount indicator designed for standard signaling applications. This indicator features a typical current consumption of 32 mA and a typical light intensity of 12,000 mcd, providing reliable visual feedback in industrial and transportation environments. The unit incorporates InGaN LED technology housed in a brass body with white nickel plating, featuring a transparent polycarbonate domed lens (UL 94V-0). It supports voltage options from 12 to 125 V DC and 125, 230 V AC without requiring an external resistor, and operates reliably across a temperature range of -30°C to +85°C. The indicator is rated for IP66 and NEMA 4X protection, making it suitable for outdoor applications, instrument panels, safety systems, and transportation environments including rail, bus, and airline applications.