3 HEIGHT ADJUSTMENT - Raise computer monitor, notebook or any device by 125mm, 145mm or 165mm off the desk to create a comfortable viewing position and a healthier sitting position which help reduce 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 - Our dual monitor stand riser comes with 3 platforms and 8 legs, all you need to do is just screw the legs into the platform. No tools required. Just a few minutes required. EXTRA WIDE MULTIUSE SLOT - Multi purpose slot on the computer monitor stand for desk can easily hold your belongings like smartphone, tablet and pen to keep your desk tidy and organized. STURDY MATERIAL - Large 420 x 280mm suptek monitor stand fit most flat screen display, laptop and printer, maximum support weight up to 20kg. Anti-skid rubber pads prevent slipping or damage to your work surface. Sleek modern black design complements any desk while