This Schneider Electric Harmony 9001K green pilot light with transformer and plastic dome is supplied with 110Vac. It fits in a 30mm hole. It has a chromium-plated metal bezel. This single component pilot light with transformer provides clear visual feedback on the status of your machines. It is easily installed into a standard 30mm diameter panel cut-outs and connected with simple screw-clamp connections. 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.Metal bezel. Ideal for severe environments, especially applications requiring high impact and vibration resistance. Simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists. Designed to fit in a standard 30mm cutout, ensuring compatibility when installing in pre-existing machinery. High brightness for easy identification of function and operation mode, even in brightly lit environments. Impact and corrosion resistant metal bezel and body ensures product continues to operate even after severe accidents. High performance: International standards & certifications (Marine ABS certification, IP66, Type 1, 2, 3, 3R, 4, 12 and 13). Wide range of operating temperatures from -25°C to 70°C allows versatility in usage of product. High endurance LED lighting for less replacement and process downtimes.