This is the only Car Seat with a Ten Year Click Tight Installation system , that converts from a rear-facing seat to forward facing ,with a 5 point safety Harness . The CarSeat has a high back belt positioning booster with click tight method as easy as buckling a seat belt . The seat has a very safe high strength steel frame ,with two layers of safe impact protection surrounding the child's head , neck and torso. Suits an infant 5lbs onwards to a child of 120 lbs (2.3 kg to 54kg ) , and up to 63" tall ( 160cm ) . It has a 15 position Harness and head rest that move together using one hand for as your child grows . A 9 position quick adjust recline and eassy read level to give your child the most comfy fit . The Car Seat cost $700 new , and has lots of warranty left on it . ~$185 . .