The mirror like good and stops the head restraint is adequate. Installation is very easy and fast, then one rotation to the mirror to the desired position. Had me a little more size and more range of motion desired. The mirror should have been turned over to the stop so that the view from the driver's seat is possible. I have now with a piece of cloth that has been clamped between the head restraint and mirrors, resorted. While working, out-of-the box would be ideal. Nevertheless, a good feeling to be able to always take a look in the child seat.