... 2.Size:72",84",100",120",150",180",200" 3.Matte White/Glass Beaded Sunking Electric Projector Screen with Control System1. Format:4 ... :3 or 16:9 or1:12. Size:72",84",100",120",150 ... /Glass Beaded 4. With big switch and wireless control system5, Suit for R232 and RF control systemThe Electric Projector Screen is widely ...