Features App Control: The Smart Led Car Sign Is Connected And Controlled by Mobile Application Via Mobile Wifi, More Convenient for Using. Large Screen: Led Sign Board Has A 185x185x22mm Display Screen with A Pixel Size of 32x32, Making It More Suitable for Pixel Art Displays. Diy Art: on The Mobile App, You Can Design Your Own Image, Animation And Scrolling Text Message, This Smart Led Screen Can Also Be Used in Combination with Games, Cycling And More. Easy to Install: Led Sign Comes With Suction Cup And Can Be Easily Placed in Any Flat Place Or Any Smoothly Surface. Multi Function: Led Sign Can Be Used For Advertising And Promotional Sign in Shop, Hotel, Coffee Shop, Bar, As Well As for Wall Clock Or Holiday Decoration. Specification: Item Type: LED Car Sign Material: ABS Dot Matrix (Resolution): 32 x 32 (Dots) Size (Length x Width x Height): Approx. 185 x 185 x 22mm/7.3 x 7.3 x 0.9in Communication Method: WIFI Mobile APP Support Systems: for Android, for IOS Power Supply Method: 5V USB Cable (Included) Installation Accessories: Suction Cup (Included) Package List: 1 x LED Car Sign 1 x Suction Cup 2 x Suction Cup Accessories 1 x User Manual Package List 1 x LED Car Sign 1 x Suction Cup 2 x Suction Cup Accessories 1 x User Manual