Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafe - Color: Urban Black

Model: 519004435

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Cybex 519004435 1710864519
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Product Description

The CYBEX Sirona S 360 Rotational Convertible Car Seat with SensorSafe  features an innovative 360° rotatable seat with a load leg, making switching between rear-facing and forward-facing positions quick and easy. The Sirona S 360 load leg stabilizes the seat and can significantly reduce crash forces. These features, combined with an EasyLock™ bar for quick, simple and secure installation, offer advanced safety protection for children — and greater peace of mind for parents.

CYBEX Sirona S 360 Rotational Convertible Car Seat with SensorSafe Features

  • Innovative, one-hand 360° rotatable seat allows parents to easily get their child in and out.

  • Load leg stabilizes the car seat and can reduce rotation in certain crashes by up to 30%.

  • Only Convertible Car Seat in North America with a one-time vehicle belt installation for both rear-facing and forward-facing mode.

  • EasyLock™ bar reduces force needed up to 4x for quick, simple and secure installation.

Peace of mind for you, ultimate safety for your child. CYBEX fuses smart technology and smart design with the introduction of SensorSafe: a unique child monitoring system that ensures the safety and health of your child is always your first priority. Available for several Platinum and Gold i-Size car seats, the SensorSafe clip attached to the harness system, keeping you informed of the safety and health of your seated child at all times. SensorSafe provides essential alerts to help prevent critical situations: when your child unbuckles the clip, when the ambient temperature of your child is too hot or too cold, if your little one is left unattended in the car, and if your child has been seated for too long. All alerts are received via Bluetooth on your smartphone through a user friendly app that also provides guidance on installation, how-to videos, FAQs and more.


All alerts are received via Bluetooth on your smartphone through a user-friendly app. A smartphone and the app is needed in order to have full functionality of SensorSafe. The SensorSafe clip works together with a vehicle receiver (included in delivery). The vehicle receiver is easily installed in OBD-compatible vehicles to enable communication between the safety clip and the SensorSafe app. SensorSafe is available with a huge range of CYBEX and gb car seats. More information at: 

SENSORSAFE SMARTPHONE APP is available on the App Store and Google Play Store.

Cybex Sensor S 360 Rotational Car Seat
Cybex Senor S 360 Rotational Car Seat diagram
cybex sironna s 360 leg rest
cybex sirona s 360 harness
cybex sirona s 360 car seat


  • Package Width (in.) 20.7
  • Package Height (in.)22.6
  • Package Depth (in.) 32.7
  • Package Weight (lbs.)42
  • Batteries Required: Yes
  • Battery Weight (in grams)3.0 grams
  • Number of Batteries 1
  • Battery Cell Type: CR2032 Lithium Coin Cell
  • SensorSafe™: Yes
  • SensorSafe Version 2.1
  • Warranty Period: 2 Years

 General Specifications:

Brand Cybex
Premium Black Manufacture SKU 519004437
UPC 4058511762005
Manhattan Grey Manufacture SKU 519004439
UPC 4058511762012
Indigo Blue Manufacture SKU 519004441
UPC 4058511762029
Urban Black Manufacture SKU 519004435
UPC 4058511761992

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