Suitable from birth to approximately 7 years (0-25kg). This car seat can be used rearward facing for longer, from birth to approximately 4 years (0-18kg). It also features a forward-facing harness mode from approximately 1 to 7 years (9-25kg). For your convenience, it offers 4 recline positions (1 rearward, 3 forward). The no-rethread harness allows you to easily adjust the harness and headrest together as your child grows, ensuring they are properly secured at all ages.