Review on 🔦 AUXITO 912 921 LED Bulbs Review: 20W 4000Lumens Backup Reverse Light, CANBUS Error Free, CSP 6-SMD Upgraded T15 906 W16W Replacement Bulb, Plug and Play, 6500K White, Pack of 2 by Justin Torres

They work great and are very bright. If you live in a dark area this will be very helpful. I no longer need to install additional lights on the rear bumper. Highly recommended. The only problem I have is the installation. They don't fit like the traditional twist lock on 921 bulbs. Because of the way these LED bulbs (and others I suspect) are designed, they have a rubber grommet that you just push in to secure the bulb in place and to hold position. Although it looks very stable. You need to make sure you have room for the rest of the lamp's heatsink behind the lamp body.