This double-head button provides a complete 2 button interface to your machines with a single panel cut-out. It is easily installed into a standard 22 mm Dia cut-outs and connected with simple screw clamp connections. Its schematic is clearly distinguishable thanks to illuminated clear colors and markings, minimizing errors during initial wiring and later maintenance operations. It is impact-resistant, dust-resistant, water-resistant and vibration-resistant thanks to its IP66/IP67/IP69/IP69K and IP69K, making it ideal for operation in harsh environments.