The Evenflo Revolve180TM LiteMax Nxt Rotational Infant Car Seat with SensorySoothe technology has it all. For infants weighing 3-30 lbs. 15.7-32 in., this car seat offers one-hand, 180° rotation for easy in and out. SensorySoothe technology engages and calms your baby with lights, music and sounds integrated into the infant car seat handle. Cue a mesmerizing light show via the Evenflo app on your phone SensorSafe technology adds a layer of protection for peace of mind, alerting you to 4 potentially unsafe conditions from your child's car seat. LockStrong belt tensioning system provides solid, secure installation in no time, while SecureTight technology helps you achieve a tighter installation with up to 50% less effort.