The deluxe DADR Sit to Stand Desk is a newer, wider version of the classic ADR desk riser that lets you hold two or three monitors and/or a laptop. It gives you the best of both worlds. You can sit part of the day, as you always have, but you can also stand and take advantage of all the health benefits that come with standing and moving around. You, and your associates, will become healthier and more productive. Your DADR uses your current desk…….no need to buy all new furniture. You can sit as you always do and then easily raise the large 37.5" x 20.5" desk and keyboard tray into 5 raised positions (up to 16.3" above your regular desk). This standing desk converter is perfect for an office workstation, a medical desk, a home office or a student desk. The DADR is a sit to stand workstation that offers a 29.5" wide x 11.75" deep retractable keyboard tray that allows you to get into the most comfortable ergonomic position and it is large enough to hold a laptop computer (with other risers you may have to move the laptop or the entire riser every time you change from sitting to standing). It also includes a grommet hole for a single (Rocelco DM1) or double (Rocelco DM2) monitor arm or to organize cables. The DADR Ergonomic workstation provides gas piston lift assist that allows you to easily raise up to 35lbs. Completely assembled and ready to go!