Maximum weight limits usually around 20 - 22 pounds
Removable base for easy movement of baby without waking him or her
Extra bases available for purchase to make it possible to use the same car seat or carrier in multiple vehicles. Keep a base in each car and use just the one carry for transfer between cars
Smaller seat cradles newborns better; some experts consider it a safer option than a Convertible seat for infants
Compatible with strollers to create a convenient baby travel system
Will only be able to be used for about a year, even less in most cases depending on how fast your child grows