Waterproof screen with a rollable, flexible design that is highly portable and resistant to damage during long-distance transport, delivering clear output at 12x32 resolution. App control: manage the screen via a dedicated app that supports 11 languages, with four display modes for texts, music, graphics, and animations, plus customizable options. Battery and performance: built-in 350 mAh battery; at full brightness, runtime is over two hours, and up to five hours with text and localized content. Illumination: vibrant RGB LEDs provide bright illumination with low power consumption for a striking visual effect. Applications: - Trade shows and exhibitions to present products and information with dynamic content. - Outdoor events or street promotions that require portable signage. - Retail stores for window or shelf displays to highlight promotions with customizable messages and visuals.