【Double Row】Download the APP (CoolLED1248),is controlled by a bluetooth-connected app,The APP built in a lot of interesting patterns and animations,Supports one and two rows of information display 【Customised content】Supports Multi Task Loop Playback,You can design text,graffiti,animations at to suit your own creative style,you can also adjust the brightness and speed and display mode 【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 【Super Easy Install】The RGB LED signs with 3M double sided tape, 14.7FT Super long USB cable,which can be attached to the Car window or other objects 【Widely Use】The LED sign is widely used in car advertisement,shops, bars, restaurants,or Christmas,Halloween,party, birthday,new year etc 2