One-Hand Turning: Rotate from rear-facing mode with one hand for easy access3-in-1 Use: Rear-facing harness 4-40 lb, forward-facing harness 26.5-65 lb, highback booster 40-100 lbQuick Installation: SnugLock technology for a less than one minute installationImproved Safety: Graco ProtectPlus Engineered for enhanced protection in different crash typesAdjustable Comfort: No-Rethread Simply Safe Adjust Harness System for tailored fitOptimal headrest height: Choose from 10 positions for the safest fit as your child growsSecure LATCH system: Push-button InRight LATCH for a one-second attachment with an audible clickRemovable, plush head and body inserts help to keep your infant feeling cradled and comfortable