【New】SIGMA USB DOCK UD-01 SA Mount Although the contents have been checked and opened up to photo 1, it is a new, unused item. There is a slight stain, like tape residue, on the side of the box (photo 3). The SIGMA USB DOCK UD-01 is a convenient accessory that allows for lens firmware updates and setting changes. Shipping will be via Takkyubin Compact, wrapped in bubble wrap. - Model Name: USB DOCK UD-01 - Brand: SIGMA - Included items: Instruction manual, cable