This non-illuminated push-button provides an ergonomic and visual interface for controlling your machines,It is clearly distinguishable visually at a distance,It is impact resistant, dust resistant, water resistant, corrosion 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 is easily connected to control circuits,High performance International standards & certifications (Marine ABS certification, IP66, Type 1, 2, 3, 3R, 4, 4X, 12 and 13)