This pilot light provides clear visual feedback on the status of your machines,It is clearly distinguishable visually at a distance due to clear colors and illumination via integral LED, enabling complex machine statuses to be read at a glance,It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66, making it ideal for operation in harsh environments,It is easily installed into a standard 30mm diameter panel cut-outs and connected with simple screw-clamp connections,High performance International standards & certifications (Marine ABS certification, IP66, Type 1, 2, 3, 3R, 4, 4X, 12 and 13)