Diono Radian 3QX Latch

The ultimate 3 across All-in-One car seat from birth to booster 4 – 120 lb (1.8 – 54 kg). Featuring 3 stages of complete rear facing protection and all new Diono Safe+ engineering to provide the next generation in car seat safety. **Due to the size and weight of this product it is available for in store pick up only at this time.

This product is currently out of stock and unavailable.

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  • NEXT GENERATION RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT – From infant to booster seat, rear and forward facing the Radian 3QX adapts as your child grows for 10 years of use (4 – 120 pounds / 1.8 – 54 kg ).
  • 3-IN-1 REAR FACING 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%
  • SAFE+ ENGINEERING – 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 6 layers of Safe+ side impact protection 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.

Product Dimensions

Product Height
28.5 in / 72.4 cm
Product Width
17 in / 43.2 cm
Product Depth
16 in / 40.6 cm
Seat Weight
29.6 lb / 13.43 kg

Product User Details

Minimum User Weight
4 lb /1.8 kg
Maximum User Weight
120 lb / 54 kg
Minimum User Weight – Rear Facing
4 lb / 1.8 kg
Maximum User Weight – Rear Facing
50 lb / 22.7 kg
Minimum User Weight – Forward Facing
22 lb / 10 kg
Maximum User Weight – Forward Facing
65 lb / 29.5 kg
Minimum User Weight – Booster
40 lb / 18 kg
Maximum User Weight – Booster
120 lb / 54 kg
Maximum User Height
145 cm / 57.1 in
Minimum User Age (months)
0
Maximum User Age (months)
120