Backup LEDs for 2019-2020 Cadillac XT4 (Pair) XPR (720 Lumens) Diode Dynamics Ferrari An updated blend of phosphorous

An updated blend of phosphorous silicone coats the front face of the Prism LED halos and is responsible for their neutral "white when off" look and their amazing

offering a hassle-free installation process with plug-and-play convenience

Omni-Adjustable: Designing around a virtual filament is step one

and durability meet

and of course

Backup LEDs for 2019-2020 Cadillac XT4 (Pair) XPR (720 Lumens) Diode Dynamics Ferrari An updated blend of phosphorousUpgrade. Add more light output and a modern appearance to your backup lights with the 921 XPR backup bulb. Each of the four sides of this bulb is populated with 4 high power LED chips for maximum brightness. Housed in an aluminum casing with a textured finish for superior heatsinking properties the XPR will last for years to come. Best of all installation only takes minutes simply take out your factory bulb and the XPR will fit snugly in the socket.