The Cybex Aton infant car seat can be used from 4-32 lbs. or 30 inches. It offers deep side impact protection and includes a convenient stay-in car adjustable base. A luxurious infant insert, European styling, a sleek hidden canopy and a carrier weight of around 8 lbs. round out the Aton's benefits. The Aton can be combined with color coordinating CYBEX strollers creating some of the lightest Travel Systems available. In addition, it will also fit many other stroller brands using Maxi-Cosi adaptors. The Cybex Aton offers an industry first, super easy - super secure belt tensioning system - no fuss struggling to install the Aton's stay in car base with either LATCH lower connectors or vehicle seat belts. It is designed to the toughest European testing requirements. All steel "base to bucket" connection for a secure installation of the carrier to the base. Extra bases are available to be purchased separately. Comes with a set of Cybex Latch Guides for easy installation and less damage to vehicle seats.