everyone gain 40'' 16:9 Projector HD Screen Portable Folding Table Screen (40 inch 16:9) Folding screen, easy to carry, put it in the car, home or Office, do not take up space. Great for camping. Home Theater. business and conference room etc. Lightweight and Portable one-piece design;Perfect size, display up to a 40-inch diagonal image, fit any tabletop; 16:9 projection, easy to fit projectors.Enjoy Widescreen viewing experience How To Operate It:Turn the leg on the case bottom to 90C position, then one hand press the centre of the case, another hand pulls up the hook to a suitable height. How to Recover It:Press the hook lightly, recover the screen smoothly, avoiding to fast and slopingin order not to damage screen or trap finger. Fasten the hook and case soundly, return the bottom leg to 0C position and lock. Flame retardant and mildew resistant screen surface, Self-standing design with foldable feet to stabilize the unit.