A "E 135" 16:9 content is a reference to a 135-inch diagonal projection screen with a 16:9 aspect ratio

Electrical Projector Screen – 135-Inch, 16:9 Enhance your viewing experience with the 135-inch Electrical Projector Screen. Featuring a 16:9 aspect ratio, this screen offers a wide, cinematic view. The electric motor allows for smooth and quiet operation, making it easy to extend and retract the screen at the touch of a button. Ideal for home theaters and presentations, its high-quality fabric ensures vibrant, sharp images. Size: 135 inches diagonal Aspect Ratio: 16:9 Type: Electric motorized Operation: Remote control or wall switch Material: Premium matte white fabric for optimal image quality