. Before installation pk After installation After installation, the screen is larger, more fashionable and higher resolution If your car is like the B-model or comes with an amplifier, you need to purchase a CAN bus. Click on the following image to purchase CANBUS .8 Core Smart Chip Faster, smoother, more stable,no jam, no crash. . 2000*1200 QLED Screen QLED quantum dot technology,can present a higher color restoration in the image,let you experience closer to the real visual effect . Three Advantages of IPS Screen 1. Higher Gamut: High Gamut Coverage, Showing High-L evel Delicate Colors 2. Purer Chroma: The Color Purity is Improved to Make the Color Purer 3. Color Persistence: The Persistence of Color is Twice That of Organic Materials . Support 4G network connect your car radio to the network, and the network speed is fast Replace SIM: USB connection : use external USB card slot, if you need to replace the SIM, open the co-pilot storage box, directly replace the SIM Card slot : SIM card slot is on the machine. To replace the SIM card, you need to open the center console. the 2G RAM version use external USB card slot 2+32/4+32 No 4G ADAPTER You need to purchase a Dongle . Bluetooth Connect your phone BT,hands-free dialing support steering wheel buttons listenensure your driving safetyIt also supports external microphone connections, which can still guarantee your call quality. .Built-in GPS Navigation The device has igo map app,and could support sygic,waze and other extra app too,would not worry about to get lost and make right direction you also can go gooleplay download the google map for use. Video, Audio and Entertainment Market with Built- in Internet Browser Support Common Video, Audio and Video Software There are more software waiting for you to downa...... .Support for APP Extension Video, Audio and Entertainment Market with Built-in Internet BrowserSupport Common Video, Audio and Video Software .Built-in fan The cooling fan can deal with and solve the abnormal,operation caused by high temperature in summer and long-term use of the machine, such as restart, abnormal touch, abnormal function, etc.... 2+32/4+32 Without fan .Full touch screen The touch screen of this radio is responsive without delay .Support Mirror Link its can show GPS, Spotify and more APP in the radio By using the AirPin(PRO) Apps, you can connect your iphoneand this unit via WiFi, and you should create a WiFi hotspot on this unit, and use your iPhone to search this WiFi hotspot, you can mirror link the connected iPhone display such as main menu, photos/videos, online navi maps. It can support all iPhone version. you should use your USB charging cable to connect your phone with the USB Port of this unit. you can mirror link the connected android smart phone display such as main menu, photos/videos, online navi maps. also you can control the connected Android Smart Phone on this unit. it can support the most Android Smart Phone .Support Radio Functiont Built-in DSP,the sound is more stereo.This radio can adjust the voice of subwoofer, bass, bass, midrange, alto, treble, and ultrahigh by frequency division, which is clear, not harsh, and the bass is thick, powerful.Strong bass performance makes every song full of rhythm. .Do Two Things at Once Now you can switch and run two apps on screen side by side. So go ahead listening to music through your favorite app, whilst navigating (google map only) ,or making phone call with your browser open or other menu at the same time. 2+32/4+32 No split screen function .Steering Wheel Control Take control of the music or use hands free calling function for safety to and concerntrate on the road ahead. This head units steering wheel control (SWC) works with a digital SWC. .Button Light Key support a variety of color display, you can choose your favorite color by setting 2+32/8+128 QLED No colorful lights .Reversing image Need high-definition camera, when the car is hung into the reverse gear it automatically switches to the reverse image .ADAS DVR Auto Video/Collision Induction/Wide Angle Photography HD Screen/Mobile Detection/Cyclic Video .SUPPORT 360 CARAME Provides bird"'"s eye view of all blind spots,Avoid Potential dangers hidden among blind areas. by preventing accidents and thereby damage and stoppage, the addition of a top view camera system also increases efficiency .SUPPORT OBD II With this OBDII Scanner, you can connect it to your cars DLC port and open the unitsBluetooth for monitoring the cars fuel consumption, water temperature.revolving speedenvironment temperatureintake pressure throttle position, air flow , computer load, carspeed etc in the OBD interfacelt data from your car computer. .Support TPMS The recelver can send all data to navigation by USB port w