Usage Tips:Advanced LED Display Technology: The HD-WF4 Rolling Walk Word Motherboard Monochrome LED Display Control Card is a cutting-edge solution for indoor LED display needs. With its full color tube chip, this display offers vibrant graphics that are sure to capture the attention of your audience. The customizable nature of the product ensures that it can be tailored to meet your specific display requirements, making it a versatile addition to any indoor setting.Seamless Integration and Control: The mobile app for marketing compatibility of this LED display allows for easy management and control of your content. Whether you're updating stock prices or promoting your latest products, the HD-WF4 Rolling Walk Word Motherboard Monochrome LED Display Control Card simplifies the process. The USB RGB HUB75 connectivity ensures that your display is always connected and ready to display your content.Versatile Application Scenarios: This LED display is not just for businesses; it's also perfect for orchestras of light, creating a dynamic visual experience. The mobile text marketing feature makes it an ideal tool for promotions and advertisements. The seller hub ebay app integration allows for easy integration with e-commerce platforms, making it a valuable asset for retailers.With its robust design and functionality, the HD-WF4 Rolling Walk Word Motherboard Monochrome LED Display Control Card is a must-have for any indoor LED display application.is_customized: YesUsage: IndoorDisplay Function: GraphicsTube Chip Color: Full ColorMobile App Compatibility: YesConnectivity: WIFI and USB RGB HUB75Color: BlueMaterial: ABSPackage Contents:1 * LED display control cardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.