From infant to booster seat, rear and forward facing the Radian® 3QXT adapts as your child grows for 10 years of use (4 - 120 pounds / 1.8 - 54 kg.)
Our advanced 3 across All-in-One car seat from birth to booster (1.8 - 54 kg / 4 - 120 lb.) Featuring advanced 4-in-1 newborn protection and all new Safe+® engineering to provide the next generation in car seat safety.
THE MOST ADVANCED RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT
4-IN-1 NEWBORN PROTECTION
Designed for safe rear facing travel from 4 - 50 pounds / 1.8 - 22.7 kg complete with Safe+® inserts and Safe+® steel anti-rebound bar to reduce rebound rotation by 50%
Our most rigorously tested Radian® all-in-one convertible car seat; featuring Safe+® steel rear facing anti-rebound bar, steel reinforced frame, advanced side impact protection and diono SuperLATCH attachment.
SLIM FIT DESIGN FOR 3 ACROSS
Features 8 layers of Safe+® side impact protection (including Safe+® side Impact management pod without compromising 3 across installation in most midsize vehicles.
ONE HAND EASY ADJUST 12 POSITION HEADREST
Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian R series.
Minimum User Weight: 1.8 kg / 4 lbs
Maximum User Weight: 54 kg / 120 lbs
Minimum User Weight - Rear Facing: 1.8 kg / 4 lb
Maximum User Weight - Rear Facing: 22.7 kg / 50 lb
Maximum User Weight - Rear Facing LATCH: 15.8 kg / 35 lb
Minimum User Weight - Forward Facing: 10 kg / 40 lb
Maximum User Weight - Forward Facing: 29.5 kg / 65 lb
Maximum User Weight - Forward Facing LATCH: 18 kg /. 40 lb
Minimum User Weight - Booster: 18 kg / 40 lb
Maximum User Weight - Booster: 54 kg / 120 lb
Maximum User Height: 145 cm / 57.1 in
Number of Head Support Positions: 12
Product Height: 72.4 cm / 28.5 in
Product Width: 43.2 cm / 17 in
Product Depth: 40.6 cm / 16 in
Seat Weight: 13.43 kg / 29.6 lb
Product Height - Folded: 72.4 cm / 28.5 in
Product Width - Folded: 43.2 cm / 17 in
Product Depth - Folded: 29.2 cm / 11.5 in
Care & Maintenance
Covers: Front loader only, gentle cycle machine wash cold, line dry.
Shell and Components: Spot clean
12 months standard warranty
The Diono Difference
The Radian® Q Series exclusively features diono Safe+® engineering, our unique combination of car seat engineering and rigorous testing to provide the best possible protection for your child.
Fits 3 Across
Built with our famous Radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
10 Years One Car Seat
Every Radian® All-in-One Convertible Car Seat is designed to adapt as your child grows to offer a custom fit from birth to booster (up to 120 lb /54 kg)
Rear-facing for longer
Engineered to keep your child rear-facing for longer up to 50 lb / 22.7 kg.