Our Products Have The Same Function With The Traditional Magenetic Board,but We Have Our Special And More Effective Functions Than Them,as Follows,                                                                1. Automatic-adsorbing Paper ( Keep More Than 15days Without Electricity)                                                    2.supported By The Little Battery Or Electricity Outlet On The Right-down Side.                                                                   3. The Surface Enables Smooth Writing And Clear Wiping Off ,unreflecting.                                                       4. Aluminum , Stainless Steel Frame And Hard ,soft Plastic,light-weight                                                           5 .all Sizes Are Available . We Could Design It For Your Requirements.                                                           6.all Kinds Of Shelf Could Be Available ( Tripod Flip Chart,four Bottom Casters,mobole Flip Chart )                                                                 7.price Depends On Board's Size, Frame Material And The Order Quantity.