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 1 000 cd colour temperature 2 800 k beam angle 50 lifespan 2 500 h bulb shape reflector average annual electricity cost 01951 kwh 1463 euros source average electricity cost based on figures from eurostat as of 2016