StarTech.com Mobile Projector and Laptop Stand/Cart, Heavy Duty Portable Projector Stand/Presentation Cart (22lb/shelf), Height Adjustable - Heavy-duty mobile projector and laptop stand - 2 vented trays hold 22lb each - Top tray tilts +/-12 and is height adjustable by hand (37-57in from floor) - Lower tray is 27in tall - Rolling presentation cart with lockable casters/wheels - Cable clips: