Halogen light pin socket bulb reflector lamp power 75 watt energy consumption 75 kwh1000h series sylvania hi spot socket gu10 voltage 230 v light colour warm white luminous intensity 2 500 cd colour temperature 2 800 k beam angle 25 lifespan 2 500 h bulb shape reflector variable intensity dimmable diameter 63 mm average annual electricity cost 01951 kwh 1463 euros source average electricity cost based on figures from eurostat as of 2016