search for "Demon Eyes" on this forum - you'll find a lot of discussion, a LOT of interest, some photos, and quite a bit of people having major problems with them.

 

they look great but they are not easy to change out when they fail and trust me 50k hours MTBF is hardly realistic; I know from experience. I really wish the folks selling these things would go back to the fiber optic rings. When the bulb goes you just go into the light box and swap the bulb.