The Alpha Omega 65 3-in-1 Car Seat by Safety 1st is an extended-use car seat with superior comfort and convenience features. It keeps your growing child safer while riding in the car, from a tiny baby coming home from the hospital to an older child going to school. It is an extended-use car seat. Rear-facing 5-40 pounds. Forward-facing 22-65 pounds. Belt-positioning booster 40-80 pounds. It comes with an advanced safety solution 360 S.A.F.E. (Secure - Adaptive - Fast - Easy) that is engineered to help protect your child in a collision, adaptable to your child's grown designed for comfort, and provides fast, easy installation.