Halogen light pin socket bulb reflector lamp energy rating d power 35 watt energy consumption 35 kwh1000h series osram halopar 16 socket gu10 voltage 230 v light colour warm white luminous intensity 600 cd colour temperature 2 800 k beam angle 35 lifespan 2 000 h bulb shape reflector variable intensity dimmable uv filter mercury free diameter 51 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost