Dialight's 556 Series LED Panel Mount Indicators are designed for demanding applications requiring high light output and reliability. Utilizing both InGaN and AlInGaP technologies, these indicators provide excellent visibility in various conditions. They are commonly used in instrument panels, safety systems, transportation (rail, bus, airline), vending machines, gaming equipment, lane control, and display lighting. The robust design ensures resistance to rain, dust, and sunlight, making them ideal for outdoor use. UL 1598 certified, IP66 rated, NEMA 4x rated, and IK07 impact resistant.