Randomly found this site in my YouTube recommendations. It's interesting! A little weird looking, but you don't need 2nd set of sights if you want irons - if the dot fails the unit acts like a ghost-ring sight when not illuminated. Pretty cool advancement.
Introducing the DeltaPoint Micro | Leupold
For shooters who need a red dot sight for their personal carry pistol, the DeltaPoint Micro is a rugged reflex sight that delivers rapid target acquisition, increased accuracy, and legendary Leupold performance in a sleek, low-profile design.
www.leupold.com