Diono Radian 3QX All-in-One Convertible Car Seat. Slim Fit 3 Across. RedAge Group: Newborn. Infant. ToddlerChild Car Seat Style: High-back BoosterBrand: DionoCar Seat Facing Direction: ConvertibleMinimum Weight: 4Maximum Weight: 120Rear-Facing Minimum Weight: 4 lbRear-Facing Maximum Weight: 50 lbForward-Facing Minimum Weight: 22 lbForward-Facing Maximum Weight: 120 lbAssembled Product Weight: 31.3 lbGender: UnisexManufacturer Part Number: 50323Assembled Product Dimensions (L x W x H): 16.00 x 17.00 x 28.50 InchesThe next generation Diono Radian All-in-One Convertible transforms as your child grows from infant to booster for 10 years of us (4 #8211; 120 lbs / 1.8 #8211; 54 kg). Upgraded with 20 improvements from the much-loved Radian 3RXT. the Radian 3QX provides baby and infant protection. with a Safe+ Newborn baby travel high wedge and a 2-in-1 infant positioning liner for a custom fit from 4 lbs. As your child grows. the Safe+ steel rear-facing anti-rebound bar increased stability and reduces rebound rotation by up to 50%. so you can keep them rear-facing for longer! The Safe+ easy-adjust 12-position headrest offers a 22% increase in occupancy range from the Radian R series. The 3QX features 6 layers of Safe+ side impact protection without compromising the 3 across installation in most midsize vehicles for those with a busy backseat. All these great features have been combined with Safe+ engineering. with the Radian 3QX subjected to a combination of the most rigorous crash tests. including front. rear. and side impacts. and rollover tests to ensure the safest seat possible. In a range of bold colors. there is a Radian 3QX to suit every child. and for added parent convenience. the Radian 3QX cover is easily removable and machine washable. #8211; With 4 ways to travel from birth to booster. the Radian 3QX adapts as your child grows to offer a custom fit from birth up to 54 kg / 120 lbs. providing 10 years of safety from just one car seat #8211; Designed with 3-in-1 rear-facing protection for safe rear-facing travel from 4 #8211; 50lbs (1.8 #8211; 22.7 kg). complete with Safe+ inserts and Safe+ steel anti-rebound bar to reduce rebound rotation by 50% #8211; Safe+ Engineering: Our most rigorously tested Radian for the best protection for your child in frontal. side. rear. and rollover impacts. featuring Safe+ steel rear-facing anti-rebound bar. steel-reinforced frame and advanced side impact protection #8211; Features 6 layers of Safe+ side impact protection without compromising 3 across installation in most midsize vehicles. with Diono#8217;s famous slim-fit design #8211; Safe+ 12 headrest positions with one hand easy-adjust #8211; contoured to improve child head containment and provides a 22% increase in occupancy range from the Radian R Series