The award winning Prodigy® Infant Car Seat is the easiest car seat to install on the market and the only one that tells you when it is installed correctly.Recent awards include PTPA and NHTSA 5-star, highest ease of use rating (the only infant car seat on the market to receive a true 5 star rating). Patented SmartScreen™ Technology features visual indicators to guide you through a simple 3 step installation: 1. Click 2. Level 3. Tighten. Innovative Belt Tightening System effortlessly secures the base to the car. 1 Adjust™ Harness automatically adjusts the 5-point harness to baby's growing size.Accommodates babies from 4-35lbs / 1.81-15.88kg, up to 32" / 81.28cm, making it great for preemies.Removable infant insert and headrest supports and comforts smaller babies.