The 557-1703-203F is a yellow, daylight-viewable panel mount indicator designed for high visibility in various conditions. It operates on a 12 VDC supply, drawing 20 mA of current to produce a typical luminous intensity of 1550 mcd. This durable indicator is housed in white polycarbonate with a transparent polycarbonate lens, making it suitable for outdoor applications susceptible to rain, dust, and sunlight. Common applications include instrument panels, safety systems, transportation, and lane control.