TT Cam

 

These cams are a high quality low light Sony CCD camera. Specs here , two microphones mounted in the roof above each headrest provide quite effective stereo recording.

They are available from www.rfconcepts.co.uk

There are plenty of mixer switchers out there, but this was recommended and is available from www.drivedata.com the remote box provides switching camera view options to play with.

An Archos PVR Personal Video recorder provides over 100 hours of recording time and is mounted on a PDA cradle up front to take the video out from the switcher box and the audio from the mics.