This is a SmallRig cage for the ATOMOS NINJA V and NINJA V+. The model number is CMA2209. Please check the manufacturer's website for detailed specifications. It has only been used indoors and is in very good condition. There are no missing parts or accessories, and there are no issues with its use. Please refer to the images for product confirmation, and feel free to ask any questions in the comments section. I haven't found the time or opportunity to use it, so I'm selling it for 6,000 yen (including shipping)! Don't miss this opportunity!