The Cybex Sirona M SensorSafe 2.0 Convertible Car Seat is a high-tech car seat that offers advanced safety features. It can be used in both rear-facing and forward-facing positions, accommodating children from 5 to 65 pounds. This car seat features SensorSafe 2.0 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 Cybex Sirona M SensorSafe 2.0 Convertible Car Seat also has side impact protection and a 12-position adjustable headrest, ensuring optimal safety and comfort. With its innovative features and sleek design, this car seat is a top choice for tech-savvy parents.