The Britax Dualfix iSense is their smartest follow-up seat to use after the BabySafe iSense baby car seat or any other infant carrier.. Suitable for use from 61 – 105 cm (3 months – 4 years | 18 kg) The Dualfix iSense comes equipped with a large number of innovative safety features: The optimised side impact protection system SICT inside provides superior safety in case of a side collision. Additionally in combination with the Britax Flex Base, their patented Pivot Link ISOFIX System protects your child in every kind of accident, whether it is from the front, the side or the rear. That is peace of mind you can rely on. Easy entry and full flexibility thanks to 360-degree rotation on the Britax Flex Fix base. Rearward facing installation 61 - 105 cm Forward facing installation 76 - 105 cm Innovative smart lighting technology, allowing your child to see and to be seen. The two interior ambient lights can be turned on to provide additional comfort for your child when driving in the dark and allow you to see your child and assist you when harnessing your child in the dark also. Soft neoprene performance chest pads Deep, protective side wings Superior Side Impact Protection V-shaped headrest  5-point harness Multi-recline positions Quick-remove cover Dimensions (H x W x D) 59.4 x 44 x 46.5 cm Weight 5.3kg Installation Manual for installation and Britax BabySafe iSense Baby car seat information.