Car Camera Dual Lens Setups: Front, Rear or Cabin?

It means the recorder captures two camera feeds. Those feeds may cover front and rear roads, front and cabin, or two directions from one housing.

It gives more context, but it also creates more footage and takes more installation. A front-only camera can still be the better fit when simplicity and a discreet mount are priorities.

Not on every model. Some systems change resolution or frame rate in dual-channel mode, so read the simultaneous-recording specification.

It can be, but recording people and audio raises privacy considerations. Make passengers aware and use audio controls appropriately.