The only reason i must drop a star from the rating, is the overwrite loop feature has never worked for my unit. No matter what the setting is set to, every few days i need to manually format my SD Card to resume recording. This is detrimental in a situation where my SD Card fills up while the car is off, and I may miss out on some important footage. My only solution now is to buy a bigger SD Card, which i’ll still have to manually wipe, just not as often. Besides this, very solid product, would See full review