This white projecting illuminated button head for integral LED provides a versatile interface for controlling your machines.It is easily installed and replaced on compatible complete push button units and contact blocks via snap-fit assembly.It is clearly distinguishable visually at a distance thanks to clear color.It is also distinguishable by touch due to projecting element, minimizing errors in machine control.It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66.It makes it ideal for operation in harsh environments.