... ,Gs,Pse,Mon Features:1.Ultra thin, can write, drew as wanted, easy to wipe, convenient and can use repeatly.2 ... light in whole surfaces is very evenly and soft;4. LED as light source, saving energy and with low heat generation; saving ... Hrs at least;6.Thickness only 24mm~40mm, can design as single or double faces.Applications:Widely applied in offices, fast ...