From baby's first journey the radian® 3QX provides complete protection, with Safe+™ newborn travel high wedge, Safe+™ 2-in-1 infant positioning liner and Safe+™ Anti-slip harness pads for added comfort and safety.
As your child grows the Safe+™ steel anti-rebound bar increases stability and reduces rebound rotation by up to 50%, so you can keep them safely rear facing for longer, up to 22.7kg (approx. 4 years old).
As they transition to forward facing, the Safe+™ easy adjust 12 position headrest is contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series.
3 STAGE REAR FACING PROTECTION - Features Safe+™ newborn travel high wedge, Safe+™ 2-in-1 infant positioning liner and Safe+™ steel anti-rebound bar for complete rear-facing protection.
REAR FACING FOR LONGER - Designed and engineered with all new Diono Safe+™ protection. Now you can keep your child rear facing for even longer up to 22.7kg (approx. 4 years old).
SAFE+™ ENGINEERING - Radian® 3QX is subjected to a combination of the most rigorous crash tests to make sure we have the safest seat possible.
SLIM-FIT DESIGN FITS 3 ACROSS - Built with our famous Radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
6 LAYERS OF SIDE IMPACT - Following the latest European research and technology in crash energy management, the Radian® 3QX features 6 layers of side impact protection. Interlocking EPS and EPP foam, high density plastic and steel reinforcement combine to create ultimate side impact protection, without compromising 3 across fit in most midsize vehicles.
4-50 lb / 1.8-22.7 kg
22-65 lb / 10-29.5 kg
40-120 lb / 18-54 kg
Seated torso height
7.5-16.5″ / 19-42 cm
Overall maximum height
up to 57″ / 144.8 cm
25.8 lb / 11.7 kg