Generic 92" 16:9 Portable Manual Tripod Projector Projection Screen w/ Stand 80"x45" 92" diagonal 16:9 screen format offers 80"x45" viewing area High contrast 1.3 gain let you enjoy clear and vivid picture Self-locked system provides variable height settings Lightweight steel case with reliable spring inside for simple installation&lt; Ideal for computer, video, slide and overhead projection in the home, office or classroom