1 Japanese,Korean,Chinese,Russia,English 2 rechargeable, car use&indoor use 3 12 volt or ... -240 4 Brightness is adjustable 16*64 led displayFeatures:Rechargeable,with cigarette lighter and DC power supply, canbe used ... : DC12V or AC100-240V (we will attached an adapter)Display color: blue, redControl mode: IR remote controllerDisplay order: ... how to use it.Picture:Other indoor led display available,