The Up/Down Mobile Stand and Table Unit is for attaching an Elite Panaboard to a wall. It has large caster wheels for easy movement and a table for storing additional equipment. For use with UB-T780BP; UB-T780; UB-T781; UB-T781W; UB-T880; and UB-T880 Panaboards. Requires the Up/Down Wall Mount Unit for attaching a board. Up/Down Wall Mount Unit is sold separately. Short-Throw Projector Arm is sold separately.