JOYING 7" Android 5.1 Lollipop Double 2 Din Car Stereo Quad Core 1024600 Head Unit Bluetooth Touch Screen GPS AM/FM Radio Receiver Support Steering Wheel/Backup Camera/4g/WiFi/1080p Android 5.1.1 Lollipop Fast and Responsive Operation System. CPU: RK3188 Cortex A9 Quad Core 1.6GHz; RAM 1GB, ROM 16GB; multi-point capacitive touch screen, support 1080p videos  Steering Wheel Control Instruction: https://www.carjoying.com/Joying-blog/15.html Support Google play store; Google voice search; Support many kinds of GPS applications, online/offline map; Easy to connect WiFi and hotspot for internet; Bluetooth hands-free calling and A2DP; RDS radio; USB/SD port; Support 3G/4G dongle/OBD2/Backup Camera/DVR functions Double Din Panel Size: 178*100mm, comes with ISO harness, please check the Ads image to confirm the dimension and harness, you may need dash kit and ISO harness adapter for installation.  Allow to apply to many vehicles except to VW/BMW/Audi Demo Video: https://youtu.be/qhdNVPAkVuo, More interest welcome to visit YouTube "Joying" to know more about our products. We provide 24-month warranty of free replacing with defected parts. (Not included shipping charges)