What Should I Look for in a Dash Cam Before Prime Big Deal Days?

Prioritize real 4K detail, useful field of view, reliable loop recording, workable parking mode, and the right endurance memory card before chasing a discount.

Prime Big Deal Days run October 6–7, and early discounts include 4K mirror dash cams—but a low price does not guarantee useful evidence. Start with true 4K front recording so license plates remain readable. Look for roughly a 140–170° field of view, then inspect sample footage for fisheye distortion that can bend plates near the edges.

Confirm loop recording, which automatically overwrites the oldest files instead of silently stopping when storage fills. Parking mode can catch hit-and-runs, but check whether it needs a battery pack or hardwire kit. Mirror-mount models are usually quick, tool-free installs, though the camera still needs a clean line of sight.

During the sale, compare the deal with the earlier selling price, read the warranty and return policy, and check whether the unit is refurbished. Finally, verify whether a card is included; continuous recording wears out standard cards quickly, so budget for a high-endurance model if it is not.