1、MOBILE APP CONTROL: Bluetooth app control LED sign is controlled by a cell phone app, connected via Bluetooth. Has programmable LED screen with 32x32 resolution. 2、CUSTOM TEXT PATTERN: LED car signs can be designed with your own images, animations and scrolling text messages, offering a wide range of options. Smart LED screen can also be used in combination with games, rides, etc. 3、5V USB VOLTAGE TECHNOLOGY: Programmable LED sign has clear patterns, various display options and flashing light beads. With 5V USB upgrade voltage technology, extremely low heat, touchable and safe to use. 4、SCOPE OF APPLICATION: Scrolling LED display is not only an advertising and promotion sign for stores, hotels, coffee and bars, but also a wall clock or Halloween, Christmas LED decoration for home or office. 5、EASY TO INSTALL: Programmable LED screen can be placed on any flat place such as cabinet, table, also can be mounted on any slippy surface by attaching to suction cup stand such as wall, glass. Item Type: LED Car Signs Material: ABS Dot Matrix (Resolution): 32x32 (Dots) Communication Mode: WIFI Mobile APP Support System: For Android, For IOS Power Supply: 5V USB Cable (Included) 1 x LED Car Signs 1 x Suction Cup 2 x Suction Cup Accessories 1 x Instruction Manual