;){kind=link}
![Radian® 3QX all-in-one convertible car seat [Purple Plum]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/245/4797/3QX_Plum__33712.1733852941.png?c=1 "Radian® 3QX all-in-one convertible car seat [Purple Plum]")
Out of stock
Radian® 3QX SafePlus®
$399.99
3-stage newborn safety & 3-across: the advanced all-in-one convertible
Radian® SafePlus® Series Rear-facing Base
Radian® SafePlus® Series Rear-facing Base is only compatible with the following Radian® SafePlus® All-in-One convertible car seat models:
- Radian® 3QX SafePlus®
- Radian® 3QXT® SafePlus®
- Radian® 3QXT® FirstClass™ SafePlus®
- Radian® 3R® SafePlus®
- Radian® 3RXT® SafePlus®
Product Specs
Warranty Information
12 months
Plays well with
![Radian® 3R® SafePlus® all-in-one convertible car seat [Blue Surge]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/449/10865/50632-NA-01__07611.1731442308.png?c=1 "Radian® 3R® SafePlus® all-in-one convertible car seat [Blue Surge]")
Radian® 3R® SafePlus®
$259.99
The original 3 Across All-In-One™ convertible car seat with SafePlus® engineering
![Radian® 3RXT® SafePlus® all-in-one convertible car seat [Black Jet]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/352/8360/50100_Cutout__09400.1732206141.png?c=1 "Radian® 3RXT® SafePlus® all-in-one convertible car seat [Black Jet]")
Radian® 3RXT® SafePlus®
$299.99
Our best selling 3 Across All-In-One™ convertible car seat with SafePlus® engineering
![[Black Storm]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/500/15218/50150-NA-01__54551.1725977871.png?c=1 "[Black Storm]")
![New Diono Radian® 3QXT® FirstClass™ SafePlus® All in One Luxury Convertible Car Seat, Suitable From Birth to Booster [Gray Slate]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/343/10138/53001-NA-01__25370.1734378379.png?c=1 "New Diono Radian® 3QXT® FirstClass™ SafePlus® All in One Luxury Convertible Car Seat, Suitable From Birth to Booster [Gray Slate]")
Out of stock
Radian® 3QXT® FirstClass™ SafePlus®
$499.99
FirstClass™ Comfort & Ultimate 3-across SafePlus® Engineering