Feature: 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 LED display can be easily adjusted to obtain better visibility. The position of the LED display can be moved freely according to the suction cup. 3. You can create animated GIF or image for unique display. It contains a variety of fonts and background colors, preset symbols and more pre‑configured charts. 4. The location of the control button is very convenient, and the silicone suction cup makes installation a breeze. The angle of the suction cup can be adjusted all positions. 5. There are plenty of pictures referred to all aspects, and you can freely choose the basic style you like. Specification: Item Type: HD DisplayMaterial: ABS and Aluminum Alloy.Screen Points: 160 x 32 Screen Size: Approx. 49.5cm x 11cm/19.5in x 4.3inLength of Wire: Approx. 5m/5.5ydRated Power: 30WRated Voltage: 12VCommunication Method: Bluetooth Screen Display: Full Color Shell Material: Aluminum Alloy Play File Format: JPG/GIF/text Power Supply Mode: Car Charger Program Support: Text, Animation, Pictures Installation Notes: 1. Use the mounting bracket to fix the display. 2. Connect the power cord. 3. Use the mobile phone to download the APP according to the steps. Package List: 1 x HD Display2 x Install the Suction Cup Bracket1 x Car Charger1 x Instruction Note: Only bluetooth + voice model supports voice control.