ErgoXS Dolphin M Fix. Maximum weight (capacity): 15 kg. Height adjustment: 21 - 370 mm, Swivel angle: 180 °, Rotation: 360 °. Depth: 180 mm. Package dimensions (WxDxH): 340 x 159 x 254 mm, Package weight: 4000 g. Screen size compatibility: 533.4 mm (21 ")