Feature 1Suitable for ios and for android systems, you can download the application by scanning the qr code. The led display can be easily controlled by connecting a mobile phone via bluetooth. 2The location of the control button is very convenient, and the silicone suction cup makes installation a breeze. 3The angle of the suction cup can be adjusted up, down, left and right, and the LED display can be easily adjusted for better visibility. 4Builtin picture, you can choose the basic style freely, you can also DIY an unique aimated GIF or image, which including a variety of fonts and background colors, to express your feelings and thoughts. 5Hightech design, people can easily advertise to people through windshields, can show your mood and thoughts while driving, giving your car more personality.Item Type: LED ScreenMaterial: ABS + PCSupport Point: 32 x 32 Full Color Dot Matrix ScreenPoint Spacing: P2.75Screen Size: Approx. 19.5 x 21.5cm/7.7 x 8.5in Length Of Power Cord: Approx. 500cm/197inRated Power: 30WRated Voltage: 12VCommunication Method: BluetoothPower Supply: USB Cable Power SupplySupports Image Animation Size: 32 x 32 Pixels, 72 ResolutionsProgram Support: Text, Pictures, AnimationInstallation Instructions:1. Secure the display with mounting bracket.2. Connect the power cord.3. Download APP on mobile phone and use it according to the steps. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Display2 x Black MountingSucker1 xVoice Assistant Book1 x Line Of The Voice Assistant1 x Charging LineNote