46 x 23.6 in. work surface. EVR Enhanced Vertical Range from 4.7 to 21.7 in. Electric lift system raises up to 40 lbs. Rear grommet for optional double or triple monitor arm. Full size 35 x 10 in. detachable keyboard tray. 10.25 in. wide slot holds tablet or phone. Smooth quiet up/down motion at the touch of a button. Includes 4 AC outlets and 2 USB / 1 USB-C ports on the desktop. Assembly required.