1Adjustable and convenient, the LED display can be easily adjusted for better visibility. The USB power supply is very convenient to use. Contains more preset symbols, phone, heart, finger, star, triangle, diamond and square. 2The position of the control button is very convenient, and the silicone suction cup makes the installation easier. The angle of the suction cup can be adjusted up, down, left and right. 3Bluetooth control, 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. 4DIY drawing, if the existing image can not meet your needs, you only need to create an animated GIF or image for unique display. Contains various fonts and background colors. 5Built-in pictures, you can freely choose basic styles. More pre-configured charts, such as smiley face, heart, little girl, pig, national flag, rainy , prohibition signs and various expressions. Item Type: Car LED Display Material: PC and metal Size: Approx. 175 x 175MM/6.9 x 6.9in Screen Count: 32 x 32 Rated Power: 30W Rated Voltage: 12V Communication Method: Bluetooth/Voice /App Power Supply: Car Charger Program Support: Text, Animation, Pictures 1 x Display 1 x USB Charging Cable 1 x Mounting Bracket 1 x Instruction