The Rocelco DADRB-40-ACUSB Height Adjustable Sit to Standing Desk Riser and Converter offers the versatility you need to get through your work day. Now you can sit part of the day or stand to take advantage of all the health benefits that come with standing and moving around. With the 40" wide R DADRB-40-ACUSB, you and your associates will become healthier and more productive. It fits over your current desk with no need to buy additional furniture. With its spacious 40" W x 23.6" D work surface, you can hold up to 2 large monitors, a laptop, and more. It also includes an retractable keyboard tray that measures 25.5" W x 11.25" D that is an ergonomic 4.5" below the desktop. EVR Enhanced Vertical Range rises up to 20" and down to 5", to optimize the ergonomic work position for people of all heights. Straight up and down motion minimizes required depth (23.25"). Gas piston assist allows you to easily raise and lower up to 40lbs. Grommet hole allows you to route cables or add an optional single or dual monitor arm such as the Rocelco DM2 or MA2.  Cable management channel at back routes your wires for tidy installation. AC-USB strip with 4 AC, 1 USB-C and 2 USB-A outlets, is mounted at back to power/charge all your devices. Fully assembled and ready to go!

• Standing Desk Bundle: Standing Desk Bundle includes 40" desk riser (R DADRB-40-ACUSB) and Dual Monitor Stand (R DMS) which holds two standard size or one large monitor and also includes four UL approved AC outlets and two USB 2.0 charging ports.
• Large Work Surface: Large worksurface - 40" by 23.5" desktop workstation can hold up to two 32" monitors, while 25.5" by 11.25" retractable keyboard tray can hold a laptop if needed and keep arms in ergonomic position to prevent strain while sitting or standing.