This Harmony 9001SK modular illuminated flush green push button comes with a full guard. It has a protective collar and comes with an integrated 24VAC/dc LED and fits into a 30mm hole. This illuminated button with integrated LED and full guard provides an ergonomic and visual interface to control your machines. It mounts easily into a standard 30mm diameter panel cutout and is easy to connect to control circuits. The illuminated head and clear color make it visually clear from a distance. Thanks to its IP66 rating, it is shockproof, dustproof, waterproof and vibration resistant, making it ideal for use in harsh environments.