Aerospace and Defence Products provides 503 Series professional LED panel indicators from Marl. These 8.1mm mounting, professional LED panel indicators feature a high-intensity LED element in a range of colours and voltages. A reverse protection diode is fitted as a standard element in all voltage models. Termination of these panel indicators is achieved by standard solder/crimp tags. These panel LEDs are fitted with a raised, colour diffused lens assembly for enhanced wide-angle viewing. They feature a precision turned housing manufactured from brass with a high-quality, bright nickel finish and are supplied along with full mounting hardware. Some of the benefits of these indicators include high-optical performance, vandal resistance and sealing specifications in excess of IP67.