Halogen light pin socket bulb reflector lamp power 35 watt energy consumption 35 kwh1000h series osram decostar 35 titan socket gu4 voltage 12 v light colour warm white luminous intensity 1 350 cd colour temperature 3 000 k beam angle 36 lifespan 4 000 h bulb shape reflector variable intensity dimmable length 37 mm diameter 35 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on figures from e