Reebaby S66 Safe Star all in one convertible car seat is for baby from 0-12years old.Rearward facing installation method is for baby from 0 to 13kg and forward facing installation is for baby from 9 to 36kg.Simply Safe Adjust Harness System adjusts the height of your harness and headrest, in one motion, to ensure that your child is always properly secured.5-level recline position helps keep your growing child comfy.S66 Safe Star has meet European ECE standards and China CCC standards.