GPS Navigation System, Multimedia Interface System

We are offering gps navigation system, multimedia interface system.
cars: porsche; boxter, cayman, panamera, 911
years: after 2011
system: pcm31
features: 1rgb+2av+1cam
product:
using this interface will enable you to add all these features and many more on to your multimedia system without the need to replace the whole system.
now you must be wondering "what is the fosp interface?".
fosp interface:
fosp's interface enables the users to get added features onto their existing multimedia system.
the main features are:
1. inputs: 2 av ports, 1 reverse camera and 1 rgb(used to add external gps navigation). There is no need to use rgb port if there is built-in gps navigation.
2. output: 1 av, lvds or gvif to the cars original system.
3. plug n play connections. All the neccessary cables and connectors are provided and there is no need to cutt any wires. Easy to instal.
4. built-in canbus. This enables you to use original car oem buttons to switch between the inputs.
5. keeps all the cars original features and in no way does it harm the cars multimedia system.
6. built-in or external gps navigation.
7. option for built-in reverse parking guidelines when using reverse camera.