Safety 1st Alpha Omega Elite Convertible Car Seat offers 3 modes of use for an infant, young baby or toddler.. The Safety 1st Alpha Omega Elite Convertible Car Seat can be used in the rear-facing position for an infant or the forward facing position with a 5-point harness for an older baby and it converts to a belt-positioning booster for a toddler. The ProTech EPP energy absorbing foam makes the seat extra safe. The Quickfit harness system easily adjusts from the front without rethreading. The infant head support and 3 position recline is an essential for baby's comfort and support. Removable cup holder keeps beverage close to child. The 4-position adjustable headrest grows with your child. The vehicle seat belt can be correctly positioned across your child with the 2-position belt positioning guides. Pivoting armrests make getting in and out of the car seat easy. The car seat pad is removable for easy cleaning. Appropriate for use *from birth through toddler for a child between 19 and 52" in height *in the rear-facing position for a child weighing between 5-35 pounds *in the forward-facing position for a child weighing between 22-40 pounds *as a belt positioning booster seat for a child weighing between 40-100 pounds.