In Jasons Garage | Quick Test of LED Headlights - Initial Brightness and Submerge Test @InJasonsGarage | Uploaded December 2018 | Updated October 2024, 1 hour ago.
Related to a discussion thread I started here:
jeepgarage.org/f176/whats-the-verdict-on-led-headlight-bulbs-vs-hid-71103.html

These are pretty dang bright. You can submerge them no problem. The final verdict will be driving at night.