*Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further defective products/parts.  From Cybex, this car seat features: The CYBEX Sirona S is the first Convertible Car Seat in the U.S. to feature an innovative 360° rotatable seat with a load leg, making switching between rear-facing and forward-facing positions quick and easy. The Sirona S load leg stabilizes the seat and can significantly reduce crash forces. These features, combined with an EasyLockTM bar for quick, simple and secure installation, offer advanced safety protection for children — and greater peace of mind for parents. Rear-facing from 4 lbs. to 50 lbs; Forward-facing from 22 lbs. to 65 lbs Use from birth up to 65 lbs. or 49 inches, following the directions in your user manual 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 the force needed up to 4x for quick, simple and secure installation Smart-tech harness chest clip with SensorSafeTM technology alerts parents if their child becomes unbuckled, the car temp gets too warm, or unsafe conditions arise (SensorSafe is compatible with most vehicles 2008 or newer with an OBD II port. For some electric vehicles, contact CYPBEX as an additional adapter may be needed.) 12-position recline adjustment even while the seat is in use Linear Side-impact Protection absorbs up to 25% more impact in a collision (when compared to the same car seat without L.S.P. extended) Anti-rebound design reduces car seat rebound movement Magnetic buckle holders make entry and exit from the seat a breeze Dishwasher safe cup holder can be positioned on either side of the seat 12-position, height-adjustable headrest with no-rethread harness Dual-level indicators help ensure the proper car seat angle Steel reinforced frame provides strength and durability Harness pads and 3-position padded buckle provide extra comfort Removable newborn insert provides support for small babies Innovative one-pull LATCH removal system LATCH Connection storage inside the base when not in use Measurements approx. 30” D x 19” W x 24” H Weight approx. 30.4 lbs. Imported. Cybex Sirona S with SensorSafe™ Rotatable Convertible Car Seat