Thank you for viewing. This is the SmallRig MagicFZ Wireless Follow Focus System. It provides high-precision focus adjustment, perfect for professional video production. - Set Contents: SmallRig MagicFZ Wireless Follow Focus System - Accessories: Remote control, mount, cables, instruction manual It was only used once on location, and since it was a studio shoot, it's almost as good as new. Please feel free to ask if you have any questions. Please refrain from purchasing if you are concerned about the condition.