3 Height Adjustments: (10CM 12CM or 14CM) Raise computer monitor, notebook or any device off the desk to create a comfortable viewing position and a healthier sitting position which helps reduce the stress on the neck and back. Simply press the button on the leg and lift/lower the platform to adjust between the different height levels. Simple Assembly: screw the four legs into the base platform. | NESTLUNE 3 HEIGHT ADJUSTABLE METAL MONITOR LAPTOP STAND TABLE in Black | Size: 100 cm x 15 cm