Halogen light pin socket bulb reflector lamp power 35 watt energy consumption 35 kwh1000h series osram decostar 35 star socket gu4 voltage 12 v light colour warm white luminous intensity 1 000 cd colour temperature 3 000 k lifespan 2 000 h bulb shape reflector variable intensity dimmable uv filter diameter 35 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on figures from eurostat as of 2016