Material: Aluminum Alloy, ABS; Suitable for Laptop Size: within 17", Monitor Size: 17"-27"; Monitor Holder VESA: 75x75mm/ 100x100mm; Max. Loading: 8kgs; Laptop Tray Size: 230x230mm; Head Tilt: -15~ 75 degree; Head Rotation: 360 degree; Head Swivel: -90~ 90 degree; Arm Swivel: 180 degree; Installation: Wall Mount; Package includes 3section long arm+laptop tray + wall mount bracke;