Brendan
WKR
If you want just red, or just white, without both: Huge fan of Zebralight. I use the H502W and H502R if I remember for my AA lights, and have an 18650 headlamp and an 18650 flashlight.
All have multiple brightness settings from very dim, to very bright.
But, they're all just one bulb.
All have multiple brightness settings from very dim, to very bright.
But, they're all just one bulb.