The Britax Alpine Infant Car Seat Base delivers confident, hassle-free installation with exclusive ClickTight technology. Designed for ease and peace of mind, it installs securely using either the vehicle seat belt or lower connectors. Helpful visual indicators, a spring-assist recline, and a built-in stability bar support proper setup and added protection. Compatible with select Britax infant car seats, Alpine makes every ride safer from the very first install.