ErgoXS Dolphin L Fix. Maximum weight (capacity): 15 kg. Height adjustment: 250 - 400 mm, Swivel angle: 180 °, Rotation: 360 °. Depth: 130 mm. Package dimensions (WxDxH): 340 x 159 x 254 mm, Package weight: 4400 g. Screen size compatibility: 533.4 mm (21 ")