Gy635 halogen bulb 25 60 w halostar osram power and light to the point starry sky furniture lamps chandelier lamps with halostar bulbs open lamps without protective covering are possible thanks to irc technology the halostar needs significantly less energy with the same light output up to 60 savings in costs long average lifespan 4 000 h high light yield up to 26 lmw for operation in open lamps according to iec 60598 1 dimmable colour temper