The Short Throw projector Mount support most short-throw projector. It is made of aluminum. So It looks graceful and terse. It is easy to install. More importantly, there is one interface to support the receiver of short-throw portable interactive whiteboard. Specifications Weight : 6.5KG Weight Capacity : ¡Ü70KG Material : Aluminum Projector Mount : Universal (Adapt for 90% models in market) Height Adjustion : ¡À 10cm Length Adjustion : 0.9m~1.4m Packing : Carton Packing Size : 105 * 20. Carton Package.