These virtual reality videos are a quick & easy way to decorate for Halloween. Display them on a wall, a TV or on a window. These video effects will turn any environment or surface into a thrilling, haunted experience. The DVDs have continuous looping for unlimited run time which is perfect for any event. Set up is so easy! Simply hang the rear projection screen in your window, Place the virtual Halloween DVD in your DVD player, plug in the projector, face projector 6-8 six feet from your window, focus, then watch from outside and you can see creepy characters moving around in your house.