... openable.3:Powersupply:12V(110-240V,AC 50-60hz).4:Frame color:silver,black,customized.5:Viewing:single side,double side ... of more than 70%.6:2 years warranty.Technical Parameter:Frame size(mm)Graphic Size(mm)Visible size(mm)Weight(single ... : wall screws. Double sided:Cable, or hookApplication: It can be fixed in business centers, dinning halls, department stores, interior decoration, showrooms ...