Features:1. The Bluetooth mobile APP can change the word, and the content can be changed at any time.2.USB power supply, in addition to the car window, can also be displayed in shops and commodity windows.3. Multi-language, support English, French, Korean, Japanese and other languages.4. Suction cup installation, can be fixed on smooth glass, marble, wall, not suitable for rough, non-smooth wall.5. A variety of display modes, scrolling, still, up and down, left and right, etc.Audience: Adults over 18 years oldUsage scenarios: shop windows, car glass windowsUse function: LED display, Bluetooth word change, multiple languages, suction cup installation, USB power supply, multiple display modesProduct parameters:Editing method: mobile phone Bluetooth APPProduct size: 23*5*1cmProduct color: red/green/blue/orangePower supply: USB cableVoltage: 5VInstallation method: 2 suction cupsDisplay mode: variousLanguage: Support multiple languagesProduct List:1*LED light bar1*USB cable1*English manual