Connect this powerful wired remote control to a compatible Canon camera through the LANC terminal and take control of the camera's critical shooting functions. The zoom control has both a variable-speed mode and a constant-speed mode with selectable zoom speeds. Switch between manual and autofocus and update focus with the push of a button. Check your exposure with the peaking on/off display. And finally, toggle your recording on or off without touching your locked-down camera no more shakes or shimmies. This accessory is a must-have for anyone wanting to deliver professional footage that industry insiders demand.