nfant Car Seat Base ft. Load Leg Technology provides an extra layer of rear-facing safety. The Load Leg technology transfers energy to the vehicle floor to add stability and reduce rotation of the car seat in the event of an impact. SnugRide0erformance helps to protect rear-facing infants from 4-35 lb and up to 32"". SnugLock4echnology installs in less than one minute using the vehicle seat belt or LATCH. Gracoàexclusive InRight ATCH attachment provides an easy, one-second attachment with an audible click to help ensure secure installation. The 4-position adjustable base and an easy-to-read pendulum level indicator help with proper installation." "Load Leg Technology transfers car seat energy to the vehicle floor to reduce rotation and adds stability in event of an impact. | SnugLock technology installs in less than one minute using vehicle seat belt or LATCH | InRight LATCH provides a 1-second LATCH attachment for quick installation | Adjustable base offers 4 recline positions, providing the right position for proper installation | Pendulum Level Indicator helps eliminate installation guesswork | Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that help to protect your little one in frontal, side, rear, and rollover crashes | One-step secure connection to Graco infant car seats