1. Height of the Monitor can be adjusted freely
2. Horizontal angle could be adjusted freely, in 360 degrees
3. Vertical angle could be adjusted freely, in 360 degrees
4. Twist the switch to lift up or lift down the monitor arm.

1. Length of the Arm: Max: 450mm; Min: 150mm
2. Height of the pore: Max: 450mm; Min: 320mm
3. Diameter of Arm 35mm
4. Weight bearing 15-20 kilograms
5. Material: Aluminum aloy, carbon steel, ABS
6. Twist to lift up and down
7. Suitable for 17-24 inch LCD Monitor
8. Suitable for desks with plate's thickness between 10-80mm

Accessory:
6-angle spanner: 1 pc