This modern take on the classic zoom control is rugged, weather-resistant, and ergonomically designed. It seamlessly transitions between wired and wireless configurations, making it versatile and perfect for fast on-set workflows. The ZMU-4 also offers uniquely versatile wireless functionality, allowing users to choose different radio modules for different regions and shooting situations. It supports all the new radio module options available for the Hi-5 hand unit, making wireless operation streamlined and efficient.