Wall mount gives almost any whiteboard instant mobility and height adjustability. Attach the mount wherever needed on your wall to allow easy accessibility. With just one touch of a button on the hand held control pad, the wall mount will glide effortlessly to the desired height. The iTeach Electric Wall Mount holds up to an 8' wide x 5" deep x 4-1/2' high board that weighs between 50 and 100 lb. UL-approved electric system allows 20" of height adjustment with a simple touch of a button. Short-throw arm is not included. Wall mount is made of steel with plastic parts..