Your life now is focused on firsts-first words, first steps. Our innovative RELX base is one of the first to feature an adjustable stability leg to fit in center seating positions and a wider range of vehicles. It also features a steel-reinforced rigid latch adjusting across four positions for a better fit against your vehicle seat. Colored indicators take the guesswork out of installation, and the bubble-free, numbered, on-the-go recline means you can change positions as your baby grows without having to uninstall the base. The lockoff with easy-access belt path makes it simple to install with the vehicle belt. The smooth platform won't take a toll on your vehicle seats, and the low profile allows for easier loading of any Nuna PIPA series infant car seat. Problems solved-all of them. What else is left? Ah, yes. Relax. True lock installation makes set up swift, simple and above all safe; 5 second install; Crumple zone within the stability leg absorbs impact and minimizes force transferred to baby; Colored installation indicators confirm correct connections to the vehicle.; 4 positions on-the-fly recline; Bubble free recline angle guides clearly confirm the perfect riding angle; Low profile base for easier loading of infant seat; Open belt bath for easier install; Belt guides; Anti rebound panel; Automatic rigid latch storage; Extra convenient load leg storage with lock; Steel reinforced true lock rigid latch; 4 position adjustable rigid latch to remove or reduce the gap between vehicle seat and base; Locking 3 piece steel stability leg has a wide range of adjustment to fit most vehicles including middle seats; Seat belt lock off with separate lap and belt paths; Indicators on rigid latch turn green when clicked to vehicle anchor points; Indicators on stability leg turn green when in proper contact with vehicle floor; Steel stability leg helps minimize forward rotation during impact up to 90% (when compared to a system that is not using a stability leg); Product weight: 18.6 lbs; Dimensions (in): 12 H x 23.75 L x 13 W;.