Feature:1. LED Eyes: This LED Sign features concealed magical eyes that make you the center of attention as you navigate through crowds, just like a scene from a movie.2. Dazzling (POWER): To use this LED Sign, simply connect it to a power bank(not include) via the USB data port on the back. Pair it with the for SPOTLED app through BT to easily customize texts, animations, and images.3. Versatile Usage: The single LED eye measures approximately 2.76 x 4.33 inches with a dazzling LED display that supports text, images, GIFs, and more. Easily attach it to backpacks, shirts, vests, cars, or motorcycles for a touch of wonder.4. Gift Worthy: The LED eye screen is an ideal gift choice for yourself or others on scenes like birthdays, or festival, adding a unique touch of style.5. Unique and Interactive: Stand out from the crowd with the LED Eyes module, offering a unique and interactive way to express yourself through customizable texts, animations, and images.Specification:Item Type: LED Eye Sign for Backpack Material: PCB Application: for SPOTLED APP (Please download from for iOS Store)APP Support System: for Android, for IOSCommunication Method: BTPower Supply: USB interfaceLeft Eye, Right Eye Screen Resolution: 48x96Single Eye Size: Approx. 2.76 x 4.33in / 7.01 x 11cm .Package List:1 x LED Eye Sign