The DIALIGHT 556 Series LED Panel Mount Indicators combine InGaN and AlInGaP technologies to deliver high light output and robust performance. These indicators are built to withstand outdoor conditions, including exposure to rain, dust, and sunlight. Their Class 1, Division 2 rating makes them ideal for use in hazardous environments common to industries like oil and gas, mining, and chemical processing. Applications include instrument panels, pump system controllers, safety systems, and UL 508 panel applications. The indicators are available with various voltage options, lens colors, and plating choices to meet diverse requirements.