Features: 1. DIY DRAWING: Just create your own animated GIFs or images for a unique display if the existing image doesnt meet your needs. 2. BLUETOOTH CONTROL: Suitable for iOS and Android systems. You can scan the QR code on the manual to download the APP. Easy to control the LED display by connecting the phone through Bluetooth. 3. BUILT-IN PICTURE/ANIMATIONS: Built-in multiple pictures and animations (the app is still being upgraded, and the pictures/animations quantity may increase later), you can freely choose your basic style. 5. EASY TO USE: The LED display can be easily adjusted for better visibility. The control buttons are conveniently located and the suction cups make installation a breeze. Suction cup angle can be adjusted up, down, left and right. Specification: Suitable system: suitable for Android/iOS Pixel: 64x64 dots Number of lamp beads: 4096 pieces Voltage: 5V/2A Product power: 10W PH: 4mm LEDS: RGB (2020smd) Communication Mode: Bluetooth Mounting: Suction Cups on Glass Display size: 178 x 178mm Material: ABS+silica gel+iron colour: Black Package Contents: 1 x Car LED Display Screen with sucker holder 1 x 4.5m USB power cable 1 x Manual in English and Chinese