The AV Stumpfl Vario64 extension bar, article number BVV-X028, is a 28 cm frame or system component for the Vario64 series. It is intended to extend or adapt a Vario64 frame system and is not a projection screen or projection surface. The component has a gross and net weight of 0.42 kg. No video signal inputs, outputs, connectors, projection dimensions, or included accessories are specified.