The Rocelco R ADRB-45-DM2 Standing Desk Converter Bundle comes with a R ADRB-45 Sit to Stand Desk Riser and a R DM2 Dual Monitor Mount. It provides the proven health and energy-boosting benefits of alternating between sitting and standing during your work day, which also reduces back strain and pain. The sturdy steel frame with easy-grip side handles and pneumatic gas piston assist, allows you to easily raise 40lbs on the large 45" x 22.6" desk riser top, into infinite heights between 4.7" and 17.5" above your existing tabletop. Dual-piston lift system provides smoother more precise height adjustment with a wide range of weight on the desktop, compared to single-piston lift systems. This Sit to Stand Up Desk offers a large 28.7" x 9.6" retractable keyboard tray that slides in, pulls out and locks into place for easier access to entire desk riser top while also helping you to get into the most comfortable and ergonomic work position. It can hold 3 monitors up top and a laptop on the keyboard tray or a large monitor and a laptop on top with keyboard on the sliding tray. Your new desk riser comes with anti scratch foam rubber pads so it can be placed directly on your current work surface and safely keep it from moving around. Free up desk space by using the conveniently placed grommet hole to route cables and install the included R MA2 Premium Double monitor Arm with GPCMA (Gas Piston Counterbalance Motion Assist) which allows effortless independent screen adjustment for comfortable viewing. Securely attach your dual screens, up to 27"/14.3 lbs. each with standard 75x75mm or 100x100mm mounting pattern. Tilts + or - 45 degrees, swivels 180 degrees, rotates 360 degrees. Monitors can be mounted in landscape (horizontal) or portrait (vertical) position. Reduce neck strain and improved posture with a comfortable ergonomic working position. Includes USB and multimedia ports to conveniently connect and charge your devices.

• Standing Desk Converter Bundle includes 45" Desk Riser (R ADRB-45) and Dual Monitor Arm (R MA2) for easy ergonomic positioning and optimal viewing comfort for 13"-27" flat panel monitors. Mount installs directly into convenient desktop grommet hole.
• Large stand up desk converter - 45" wide by 22.6" deep desktop workstation riser holds up to two 32" monitors plus other work materials and the 28.7" by 9.6" retractable tray will hold a keyboard and mouse, or even a laptop if needed.
• Swift and stable lifting motion - sturdy metal frame paired with strong dual piston assist and easy-grip side handles can raise or lower up to 40 pounds with smooth continuous height adjustment from 4.7" to 17.5" above tabletop.
• Sliding ergonomic keyboard tray extends, retracts and locks in place while keeping a 4.5" spacing between keyboard tray and desktop, which helps keep arms and wrists in a comfortable position to prevent neck and back strain while sitting or standing.
• Minimal assembly required - monitor arm attach in minutes and you're ready to go. Anti-skid foam pads protect your table top and allow you to simply remove desk riser from box and place directly on existing work surface. Manufacturer 1 year warranty.
• Height Adjustable - Yes
• Height Range (adjustable options only) - 4.7"-17.5
• Depth Range (adjustable options only) - 23-28
• Quick installation and adjustment - no tools required. Cable channels provide a hassle-free way to run your cables and maintain a tidy uncluttered workspace.