1 Japanese,Korean,Chinese,Russia,English 2 rechargeable, car use&indoor use 3 12 volt or AC100-240 4 Brightness is adjustable ... .Material: 16*64 dots SMD leds, plastic casingNew design, indoor use & car useBracket can be 360 free rotation.Materials: SMD LED ... degree: IP54, indoor use onlyWe will attahed a disc when the goods shipped, you will know how to use it.Picture:Other indoor ...