Fangrui Product Details Ip65 Waterpoof Level: Wifh Upgraded Voltage Technology Of Usb,extremely Low-heat. Flexible And Portable: The Led Matrix Panel Is Light And Thin,uses Rgb Lamp Beads,flexible Board Design,can Be Bent And Folded At Will. Remote Control, Smart App Control: Led Signs Are Controlled By A Bluetooth-connected App That Supports Connecting Multiple Led Displays At The Same Time To Make Your Store Even More Eye-catching, With Many Fun Patterns And Animations Built Into The App. Your Phone Can Be More Easily Customized With Interesting Patterns And Text To Make Your Store More Personalized. Custom Function: The Led Signs Can Customize Text, Patterns And Animations. You Can Edit According To Your Own Needs And Ideas, You Can Also Change The Display Content According To The Usage Scene, And You Can Also Edit Exclusive Patterns And Animations According To The Characteristics Of Your Own Store. Smart App Control: Connect The Led Matrix Through The App, You Can Diy Design Text, Patterns, Animations According To Your Own