3 HEIGHT ADJUSTMENTS - This monitor stand features 3 adjustable height levels at 3.9, 4.7, and 5.5 inches. Allows you to choose the most ergonomic, healthy and comfortable viewing angle at work. Press the button on the leg to adjust between the different height levels. EASY ASSEMBLY - laptop and monitor stand includes 1 platform and 4 adjustable legs. No tools are required for assembly. Simply screw the four legs into the platform. Have your monitor stand fully installed in 1 minute or less so you can focus more and improve your productivity IMPROVED AIRFLOW - adjustable monitor riser is made of powder coated steel with a platform designed with holes to improve air flow for your device. The ventilation helps to prevent overheating and to keep your computer cool while working. EXTREMELY STRONG AND STABLE - The monitor riser holds up to 44lbs and is designed with anti-skid rubber pads that ensure stability and protect your laptop and furniture from scratches. WIDE COMPATIBILITY - With a 14.5 x 9.1 platform, this screen riser is suitable for most devices including standard 15.6 laptops. Heights can be adjusted to 3.9, 4.7 &5.5, which allow you to customize your own viewing height. The width between legs is 12 by 7 inches, perfect for storing office supplies and other items underneath the platform.