Introducing the Evenflo LiteMax Nxt Infant Car Seat with SensorySoothe technology. You've never seen anything like this SensorySoothe technology engages and calms your baby with lights, music and sounds integrated into the infant car seat handle. Cue a mesmerizing light show with music via the Evenflo app on your mobile device LiteMax Nxt accommodates infants 3 to 30 lbs. 15.7 in. to 32 in. tall. Integrated SensorSafe technology adds a layer of protection, alerting you in real-time via Bluetooth to 4 potentially unsafe conditions from your child's car seat: Unsafe ambient temperature, child unattended, child buckled too long, and unexpected chest clip unbuckling.