Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
Be warned, this dash cam is NOT waterproof! Which defeats the purpose of being a motorcycle dash cam in my opinion. Huge waste of money. The water gets trapped in the screen and then doesn't start up at all. Do not recommend.