This all-steel projector and laptop stand enables you to setup a mobile multimedia workstation that you can easily move between classrooms, boardrooms, and conference rooms. It has two device platforms that each support 22lb (10kg). This rolling cart is equipped with durable casters (2 lockable) that provide ease of transportation. Setup Flexibility With the two integrated device trays, this mobile projector trolley adjusts to your needs letting you choose where to mount your projector, laptop, and other media devices. Both trays have safety ledges that help prevent your equipment from sliding. The upper tray has surface area of 13.8""x11.8"" and lets you setup a laptop or projector depending on your needs. You can adjust its height (37.4"" to 57"" from the floor) and tilting angle (+/-12°) to provide a better viewing experience that will adjust to your presentation needs. Adjustments can be made by hand via the rotary knob locks. The lower tray has a surface of 14.4""x11.8"" and it sits at 27"" from the floor. Security and Stability With a base area of 17.9""x19.7""; this AV projector will comfortably support a combined load of 20 kg. For added security, you can keep your devices in place by running straps through the thin openings of the top and bottom trays (straps not included). Additionally, this cart comes with 2 cable management clips that will let you run your cables through the pole in a tidy and safe manner; and help with the transportation of your setup. ADJPROJCART is backed by a StarTech.com 5-year warranty and free lifetime technical support.