X-large FUSION Video Conferencing Cart. This mobile FUSION AV Cart incorporates rounded edges and sleek features to give the cart a softer professional feel that fits well in corporate and classroom environments. The height can be adjusted by one person via a 1/2" hex bit on a power drill without removing the screen. Turn knob allows single user to easily adjust the screen height using a 1/2" hex drill bit to any height between 41.9 to 50.4" (106.4 to 128.0 cm)