Halogen light reflector lamp power 35 watt energy consumption 35 kwh1000h series philips aluline socket b15d voltage 6 v light colour warm white colour temperature 3 000 k beam angle 14 lifespan 2 000 h bulb shape reflector variable intensity dimmable diameter 56 mm average annual electricity cost 01951 kwh 683 euros source average electricity cost based on figures from eurostat as of 2016