Well-designed frame-folding system allows easy and quick assembly and disassembly without tools. The one-piece frame prevents the loss or the mix-up of individual components--idea for rental. Frame consists of high-quality 35 by 35 mm square aluminium tubing. Precision engineered auto locking hinges with one touch push button release. Screen surface with 7.5cm wide, black border for projection richer in contrast. Screen surface is attached to the frame using snap fasteners. Legs with back or side supports for extra stability. (Optional) Frame height is adjustable to desired viewing height. Supplied with robust road case on wheels for easy transport.