The Wireless Compact Unit WCU-4 is a lightweight, ergonomic hand unit offering up to 3-axis lens control. Rugged and splash proof, it features an easy-to-read lens data display, vibrating alerts that allow focus pullers to keep their eyes on the action and camera remote control functionality. The large lens data display reflects ambient light and remains clearly visible even in direct sunlight, While the backlit focus knob and control buttons allow the WCU-4 to also be used in darkness.