The platform is height adjustable and comes with 35 degrees of angle adjustment to provide comfort and proper positioning of your devices. Locking wheels and a large base provide mobility and stability to this mobile workstation. Moving it from location to location is very easy, yet it is stable during use. The platforms are coated for scratch resistance and sleek look. The platform is easily assembled in minutes and comes with all the necessary hardware.  This rolling laptop cart is versatile, and can be used as an over the bed laptop tray, presentation cart, laptop workstation or a projector stand. The large platform provides ample space for a full-sized laptop with mouse and a projector for presentations.  The overhang of the tray and base allows the tray to extend perfectly over a bed for hospital or home use. Use it for your laptop or tablets while working or watching movies in bed.