This Harmony ZB2, joystick controller operates with 4-direction return-to-center mechanism. It has 4 x NO (1 per direction) contacts and a chromium-plated metal bezel. This joystick provides a versatile and intuitive interface for controlling your machines. It is easily installed into a standard 22mm diameter cut-outs and connected to your control circuits with simple screw-clamp connections. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66, making it ideal for operation in harsh environments. Its simple spring return mechanism is rugged and durable, high lifetime, less maintenance and replacement.