... 3.Electric lifting mechanism can adjust the height of interactive whiteboard and projector freely, can be lowered down to ... systerm can control projector, computer, speaker, laptop, and interactive whiteboard lifting, the control buttom on the upper the laptop ... Weight: 65kgsStand Height Seting(for whiteboard)Height adjustable mount, with 500mm of adjustment from 1500 to 2000Stand Height Seting (for ...