HUJIKF rear view mirror great for you peace of mind when drivingGood for people if you one of themIf you are worried about not seeing the rear vision while drivingIf you are driving with a child in the back seatIf you driving the rear vehicle turns on the high beam and the road conditions cannot be seen clearlyMain FeaturesSize: 9.5x2.5 inchesMaterial: ABS plastic + composite glass + TPUStyle: Blue plane rear view mirror What should I pay attention to when installing1. The windshield of the car must be cleaned and dried before installation.2. Avoid uneven positions during installation, smooth positions are firmer.3.When installing, adjust the direction before tightening the nut.