This mushroom shaped push-button head is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomy It is clearly distinguishable visually at a distance thanks to a prominent mushroom shape It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66, making it ideal for operation in harsh environments High performance International standards & certifications (Marine ABS certification, IP66, Type 1, 2, 3, 3R, 4, 4X, 12 and 13)