The Cybex Sirona M SensorSafe 2.0 Convertible Car Seat is designed with advanced safety features to protect your child during car rides. It features SensorSafe technology, which provides alerts to your smartphone if your child unbuckles the chest clip, if the temperature in the car becomes too hot or too cold, or if your child has been seated for too long. The car seat has a 12-position adjustable headrest and a 10-position recline, ensuring a proper fit and optimal comfort. It is equipped with side impact protection and a steel-reinforced frame, providing maximum safety in the event of a crash. The car seat is suitable for children from 5 to 65 pounds and can be used in both rear-facing and forward-facing modes.