The AV Stumpfl Monoblox projection surface is designed for rear projection with a 4:3 aspect ratio and R10 surface gain. The overall screen size is 569 by 431 cm, with a usable projection area of 549 by 411 cm and a screen diagonal of 270 inches. This product is the projection surface only; the compatible frame and stand are supplied as separate articles. The net weight is 7.05 kg.