Features： 1、Suitable 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. 2、The location of the control button is very convenient, and the silicone suction cup makes installation a breeze. 3、The angle of the suction cup can be adjusted up, down, left and right, and the LED display can be easily adjusted for better visibility. 4、Built‑in 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. 5、High‑tech design, people can easily advertise to people through windshields, can show your mood and thoughts while driving, giving your car more personality. Specification： Item Type: LED Screen Material: ABS + PC Support Point: 32 x 32 Full Color Dot Matrix Screen Point Spacing: P2.75 Screen Size: Approx. 19.5 x 21.5cm/7.7 x 8.5in Length Of Power Cord: Approx. 500cm/197in Rated Power: 30W Communication Method: Bluetooth Power Supply: USB Cable Power Supply Supports Image Animation Size: 32 x 32 Pixels, 72 Resolutions Program Support: Text, Pictures, Animation Installation 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. Package List： 1 x Display  2 x Black Mounting Sucker 1 x Voice Assistant Book 1 x Line Of The Voice Assistant 1 x Charging Line