Certification:NONE Item Type:Atmosphere Lamp 1.128x128mm Car LED Display, capable of scrolling well-crafted fonts and simple graphics 2. Make your car more fashionable and express your meaning to the car which is following you. 3. Easy to operate, connect bluetooth andCreate your own drawings. 4. APP available in play store(Android) or APP store(iPhone), APP update new regularly. 5. Play music with column chart dancing automaticlly. 6. Easy to fix it on the car windows with sucking disco. 7. Use car ligter power port, support 12V/24V. 8. The power cable is 185CM length enough for car use. 9.Widely Application: You can use it For Sport Fans, For Fun, For Social, For Taxi Drivers, For Home Decor, For Business, etc. Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you