116?color controllable atmosphere lights, according to your personal preferences to control and choose the atmosphere lights, can increase the entertainment atmosphere in the car. The built?in speaker can also be connected with an external power amplifier. The high and low voltage can be adjusted independently, and the dynamic response can make the sound quality more hierarchical. 2Rich entertainment functions, watch live Tv online, watch App videos, listen to music, browse the web. Support mobile phone screen interconnection, support for Android / iOS system interconnection, screen projection is smooth, and the picture quality is clear. The built?in WiFi has faster wireless speed and supports App installation. The Fm transmitter can transmit audio to the car speakers. 3For Android 9.0 8?core processor intelligent system, Cortex A55 clocked at 2.0GHZ, 2G Ram, 16G Rom. It can be installed in cars, commercial vehicles, RVs, buses, yachts and other transportation vehicles to make your journey full of fun. 4Support for mirror link. The mobile phone and the roof rack broadcast at the same time no longer need to worry about no resources and no network. The 19?inch large?screen smart entertainment system allows everyone to watch and enjoy. Support Wifi / 3G 4G mobile hotspot connection, free download, installation and uninstallation of massive applications, free video on demand viewing. 5Free Bluetooth connection, mobile phones can transmit to each other, no need to worry about not finding the data line input. Support external interface type, support memory card/USB slot/Av input/audio input/audio output.