The Smart LX LX72B Digital Projector is a high-quality home theater projector designed by the brand Smart. It features a self-lock screen function, making it convenient to use and ensuring a secure viewing experience. With a 4:3 aspect ratio and a 72-inch matte white screen, this projector delivers a crisp and clear picture in HD Ready quality. Perfect for home entertainment, this projector offers a great viewing experience with its sleek design and advanced features.