Gas-powered monitor arm, compatible with 10-27 inch monitors, supports 3-7kg weight, VESA 75/100 standard. - Model Name: GH-AMCD01 - Compatible Size: 10-27 inches - Weight Capacity: 3-7kg - VESA Standard: 75/100 - Type: Gas-powered - Current Amazon Reference Price: 5500 yen Thank you for viewing. No box or accessories included. Item only. I've cleaned it up a bit, but there's some dust and minor dirt. It will be disassembled into three parts for shipping, so please assemble it yourself. My impression of using it is, well, it's about what you'd expect compared to something like an Ergotron, haha.