Dual Dash Cams for Front and Rear Coverage

It is worthwhile when footage behind or inside the vehicle would add useful context. The trade-offs are extra installation work, more storage use and a second lens to position.

Often, but not always. Some dual systems combine a road-facing lens with an interior camera, so check the camera layout in the exact package.

A true two-channel system normally records both channels together. Confirm the simultaneous resolution and frame rate in the manufacturer's specification.

Yes, provided the supplied cable reaches and can be protected through the moving hatch area. Leave safe slack and do not route it across an airbag.

Two video streams usually consume storage faster than one. Use only the capacity and speed class supported by the camera.