... DC12V or AC110V-240V power. 1.Application: advertising or backlighting in commercial centers,chain stores, ... etc..... 1.el backlight is used for backlighting:2.el backlight is used for advertising: 2.advantages ... install, can hang or paste on wall. 3. EL panel size: 1.Standard size: A0, A1, A2, ... available to meet different countries' standard.6. EL shape:Usually in rectangle shape,other irregular shapes ...