Its supposed to have high reflectivity as it is overlaying your mirror which is technically illegal but seems like something they still thought well about. I have a dash cam that I paid 70$ for 3 years ago and it has worked well but it is still omnidirectional and low quality. That being said the "low" quality of the rear cam on this package is much better than my cam. If you are on a tight budget and just looking for some peace of mind i would recommend!
How does it work as a mirror? Is it still to glossy? I wouldn't be to bothers about the picture quality. I more want a dash cam I can hide so this one looked good but again it all depends on how good the mirror is