Transform your car with this great android head unit! installation of 10 inch touch screen car audio system: some features full android 9.0 (gives you access to all android apps in the playstore, spotify,games, etc.) supports wifi for internet access: allows you access the internet comfort of your car. offline nigeria naviagtion map pre-loaded: supports bluetooth 4.0 (play music from your phone/receive calls), obd diagnostics: scan your car with torque pro in conjunction with an obd scanner... supports steering wheel control: some toyota's may require additional module for steering wheel control to work. others: 10'' full touch screen, watch videos, make/receive calls through your car audio system (touch screen), sync your contacts (see pics), (see pics), play music from phone through bluetooth, mirror your phone screen on car audio system and many more, android ecosystem, gps navigation with nigeria map (optional). cost of installation: rear view camera works on all models.